<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="IntraocularPressure" />
  <url value="http://openehr.org/StructureDefinition/IntraocularPressure" />
  <version value="0.1.0" />
  <name value="IntraocularPressure" />
  <title value="Intraocular pressure" />
  <status value="active" />
  <description value="[openEHR-EHR-COMPOSITION.encounter.v1] Interaction, contact or care event between a subject of care and healthcare provider(s).)" />
  <fhirVersion value="4.0.1" />
  <kind value="logical" />
  <abstract value="false" />
  <type value="http://openehr.org/StructureDefinition/IntraocularPressure" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element" />
  <derivation value="specialization" />
  <snapshot>
    <element id="IntraocularPressure">
      <path value="IntraocularPressure" />
      <short value="Intraocular pressure" />
      <definition value="[openEHR-EHR-COMPOSITION.encounter.v1] Interaction, contact or care event between a subject of care and healthcare provider(s).)" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="IntraocularPressure" />
        <min value="0" />
        <max value="*" />
      </base>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="IntraocularPressure.id">
      <path value="IntraocularPressure.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="IntraocularPressure.extension">
      <path value="IntraocularPressure.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult" />
      <short value="Intraocular pressure test result" />
      <definition value="[openEHR-EHR-OBSERVATION.intraocular_pressure.v0] The local measurement of intraocular pressure, most commonly using a tonometry device.)" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.id">
      <path value="IntraocularPressure.IntraocularPressureTestResult.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.extension">
      <path value="IntraocularPressure.IntraocularPressureTestResult.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.modifierExtension">
      <path value="IntraocularPressure.IntraocularPressureTestResult.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.time">
      <path value="IntraocularPressure.IntraocularPressureTestResult.time" />
      <short value="time" />
      <definition value="[RM] `OBSERVATION.EVENT.time` - Time of this Observation event. If the width is non-zero, it is the time point of the trailing edge of the event.)" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.time" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.eyeExamined">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.eyeExamined" />
      <short value="Eye examined" />
      <definition value="[at0057] Identification of the eye under examination.)" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.eyeExamined" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureEyeExamined" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.pressure">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.pressure" />
      <short value="Pressure" />
      <definition value="[at0042  | mm[Hg]] Measured intraocular pressure, using the method described in the 'Method' element. )" />
      <comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.pressure" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.correctedPressure">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.correctedPressure" />
      <short value="Corrected pressure" />
      <definition value="[at0081  | mm[Hg]] Corrected value for intraocular pressure.)" />
      <comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.correctedPressure" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.waveformScore">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.waveformScore" />
      <short value="Waveform Score" />
      <definition value="[at0094  | ] Waveform Score produced by the Ocular Response Analyser device.)" />
      <comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.waveformScore" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.semiquantitativeEstimation">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.semiquantitativeEstimation" />
      <short value="Semiquantitative Estimation" />
      <definition value="[at0083] Semi-quantitative description of the hardness of the eye. Typically performed by palpation with the examiners fingers. )" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.semiquantitativeEstimation" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureSemiquantitativeEstimation" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.clinicalInterpretation">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.clinicalInterpretation" />
      <short value="Clinical interpretation" />
      <definition value="[at0061] Single word, phrase or brief description that represents the clinical meaning and significance of the physical examination findings.)" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.clinicalInterpretation" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.comment">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.comment" />
      <short value="Comment" />
      <definition value="[at0063] Additional narrative about the measurement, not captured in other fields.)" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.comment" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.method">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.method" />
      <short value="Method" />
      <definition value="[at0046] Type of tonometery used to measure intraocular pressure.)" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.method" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureMethod" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.correctionType">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.correctionType" />
      <short value="Correction Type" />
      <definition value="[at0082] The method used to produce the corrected pressure value. )" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.correctionType" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureCorrectionType" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.confoundingFactors">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.confoundingFactors" />
      <short value="Confounding factors" />
      <definition value="[at0074] Description of any incidental factors related to the state of the subject which may affect clinical interpretation of the measurement.)" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.confoundingFactors" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="preferred" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureConfoundingFactors" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOn43DegOffsetMark">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOn43DegOffsetMark" />
      <short value="Prism graduation mark on 43° offset mark" />
      <definition value="[at0107  | deg] The value of the degree of the graduation mark on the Goldmann prism probe that was aligned with 43° offset mark, usually a visible by a red line or the letter A.)" />
      <comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOn43DegOffsetMark" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOnHorizontalMeridian">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOnHorizontalMeridian" />
      <short value="Prism graduation mark on horizontal meridian" />
      <definition value="[at0108  | deg] The value of the degree of the graduation mark on the Goldmann prism probe that was aligned with the horizontal meridian mark of the probe holder at the time of measurement. )" />
      <comment value="The context of use may frequently define what kind of quantity this is and therefore what kind of units can be used. The context of use may also restrict the values for the comparator." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOnHorizontalMeridian" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Quantity" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.position">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.position" />
      <short value="Position" />
      <definition value="[at0109] The position of the individual at the time of measurement.)" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.position" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressurePosition" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.pupilState">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="IntraocularPressure.IntraocularPressureTestResult.pupilState" />
      <short value="Pupil state" />
      <definition value="[at0117] )" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="IntraocularPressure.IntraocularPressureTestResult.pupilState" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressurePupilState" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="IntraocularPressure">
      <path value="IntraocularPressure" />
      <short value="Intraocular pressure" />
      <definition value="[openEHR-EHR-COMPOSITION.encounter.v1] Interaction, contact or care event between a subject of care and healthcare provider(s).)" />
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult">
      <path value="IntraocularPressure.IntraocularPressureTestResult" />
      <short value="Intraocular pressure test result" />
      <definition value="[openEHR-EHR-OBSERVATION.intraocular_pressure.v0] The local measurement of intraocular pressure, most commonly using a tonometry device.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="BackboneElement" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.time">
      <path value="IntraocularPressure.IntraocularPressureTestResult.time" />
      <short value="time" />
      <definition value="[RM] `OBSERVATION.EVENT.time` - Time of this Observation event. If the width is non-zero, it is the time point of the trailing edge of the event.)" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.eyeExamined">
      <path value="IntraocularPressure.IntraocularPressureTestResult.eyeExamined" />
      <short value="Eye examined" />
      <definition value="[at0057] Identification of the eye under examination.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureEyeExamined" />
      </binding>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.pressure">
      <path value="IntraocularPressure.IntraocularPressureTestResult.pressure" />
      <short value="Pressure" />
      <definition value="[at0042  | mm[Hg]] Measured intraocular pressure, using the method described in the 'Method' element. )" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.correctedPressure">
      <path value="IntraocularPressure.IntraocularPressureTestResult.correctedPressure" />
      <short value="Corrected pressure" />
      <definition value="[at0081  | mm[Hg]] Corrected value for intraocular pressure.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.waveformScore">
      <path value="IntraocularPressure.IntraocularPressureTestResult.waveformScore" />
      <short value="Waveform Score" />
      <definition value="[at0094  | ] Waveform Score produced by the Ocular Response Analyser device.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.semiquantitativeEstimation">
      <path value="IntraocularPressure.IntraocularPressureTestResult.semiquantitativeEstimation" />
      <short value="Semiquantitative Estimation" />
      <definition value="[at0083] Semi-quantitative description of the hardness of the eye. Typically performed by palpation with the examiners fingers. )" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureSemiquantitativeEstimation" />
      </binding>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.clinicalInterpretation">
      <path value="IntraocularPressure.IntraocularPressureTestResult.clinicalInterpretation" />
      <short value="Clinical interpretation" />
      <definition value="[at0061] Single word, phrase or brief description that represents the clinical meaning and significance of the physical examination findings.)" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.comment">
      <path value="IntraocularPressure.IntraocularPressureTestResult.comment" />
      <short value="Comment" />
      <definition value="[at0063] Additional narrative about the measurement, not captured in other fields.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.method">
      <path value="IntraocularPressure.IntraocularPressureTestResult.method" />
      <short value="Method" />
      <definition value="[at0046] Type of tonometery used to measure intraocular pressure.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureMethod" />
      </binding>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.correctionType">
      <path value="IntraocularPressure.IntraocularPressureTestResult.correctionType" />
      <short value="Correction Type" />
      <definition value="[at0082] The method used to produce the corrected pressure value. )" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureCorrectionType" />
      </binding>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.confoundingFactors">
      <path value="IntraocularPressure.IntraocularPressureTestResult.confoundingFactors" />
      <short value="Confounding factors" />
      <definition value="[at0074] Description of any incidental factors related to the state of the subject which may affect clinical interpretation of the measurement.)" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressureConfoundingFactors" />
      </binding>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOn43DegOffsetMark">
      <path value="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOn43DegOffsetMark" />
      <short value="Prism graduation mark on 43° offset mark" />
      <definition value="[at0107  | deg] The value of the degree of the graduation mark on the Goldmann prism probe that was aligned with 43° offset mark, usually a visible by a red line or the letter A.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOnHorizontalMeridian">
      <path value="IntraocularPressure.IntraocularPressureTestResult.prismGraduationMarkOnHorizontalMeridian" />
      <short value="Prism graduation mark on horizontal meridian" />
      <definition value="[at0108  | deg] The value of the degree of the graduation mark on the Goldmann prism probe that was aligned with the horizontal meridian mark of the probe holder at the time of measurement. )" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.position">
      <path value="IntraocularPressure.IntraocularPressureTestResult.position" />
      <short value="Position" />
      <definition value="[at0109] The position of the individual at the time of measurement.)" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressurePosition" />
      </binding>
    </element>
    <element id="IntraocularPressure.IntraocularPressureTestResult.pupilState">
      <path value="IntraocularPressure.IntraocularPressureTestResult.pupilState" />
      <short value="Pupil state" />
      <definition value="[at0117] )" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="http://example.org/ValueSet/IntraocularPressurePupilState" />
      </binding>
    </element>
  </differential>
</StructureDefinition>