<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="HdBe-VisualFunction" />
  <url value="https://fhir.healthdata.be/StructureDefinition/HdBe-VisualFunction" />
  <name value="HdBeVisualFunction" />
  <title value="HdBe VisualFunction" />
  <status value="draft" />
  <date value="2022-10-17T09:09:13.9562003+00:00" />
  <publisher value="Healthdata.be (Sciensano)" />
  <contact>
    <name value="Service portal – healthdata.be" />
    <telecom>
      <system value="url" />
      <value value="https://sciensano.service-now.com/sp" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="Sight is the ability to observe lit objects, with the goal of orienting yourself on objects and people in a lit environment. This pertains to observing the light stimuli, and not processing them in the brain.&#xD;&#xA;A sight disorder can lead to things including orientation problems." />
  <copyright value="Copyright and related rights waived via CC0, https://creativecommons.org/publicdomain/zero/1.0/. This does not apply to information from third parties, for example a medical terminology system. The implementer alone is responsible for identifying and obtaining any necessary licenses or authorizations to utilize third party IP in connection with the specification or otherwise." />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="zib-visualfunction-v3.1-2020EN" />
    <uri value="https://zibs.nl/wiki/VisualFunction-v3.1(2020EN)" />
    <name value="zib VisualFunction-v3.1(2020EN)" />
  </mapping>
  <mapping>
    <identity value="HdBe-VisualFunction" />
    <uri value="https://fhir.healthdata.be/StructureDefinition/LogicalModel/HdBe-VisualFunction" />
    <name value="HdBe logical model VisualFuntion" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <short value="VisualFunction" />
      <comment value="Please note that on a functional level, HdBe VisualFunction references HdBe MedicalDevice, but in FHIR this direction is reversed. Therefore, the concept visual_aid is mapped on `DeviceUseStatement.reasonReference:observation` in profile [HdBe-VisualFunction.VisualAid](https://fhir.healthdata.be/StructureDefinition/HdBe-VisualFunction.VisualAid) instead of in this profile." />
      <alias value="FunctieZien" />
      <mapping>
        <identity value="zib-visualfunction-v3.1-2020EN" />
        <map value="NL-CM:4.16.1" />
        <comment value="VisualFunction" />
      </mapping>
      <mapping>
        <identity value="HdBe-VisualFunction" />
        <map value="VisualFunction" />
      </mapping>
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <patternCodeableConcept>
        <coding>
          <system value="http://snomed.info/sct" />
          <code value="281004000" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.value[x]:valueCodeableConcept">
      <path value="Observation.value[x]" />
      <sliceName value="valueCodeableConcept" />
      <short value="VisualFunction" />
      <definition value="The ability to see as a result of response to stimuli of visual organs" />
      <alias value="VisueleFunctie" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <strength value="required" />
        <description value="VisualFunction codes" />
        <valueSet value="https://fhir.healthdata.be/ValueSet/VisualFunction" />
      </binding>
      <mapping>
        <identity value="zib-visualfunction-v3.1-2020EN" />
        <map value="NL-CM:4.16.3" />
        <comment value="VisualFunction" />
      </mapping>
      <mapping>
        <identity value="HdBe-VisualFunction" />
        <map value="VisualFunction.VisualFunction" />
      </mapping>
    </element>
    <element id="Observation.note">
      <path value="Observation.note" />
      <max value="1" />
    </element>
    <element id="Observation.note.text">
      <path value="Observation.note.text" />
      <short value="Comment" />
      <definition value="A comment on the visual function." />
      <alias value="Toelichting" />
      <mapping>
        <identity value="zib-visualfunction-v3.1-2020EN" />
        <map value="NL-CM:4.16.2" />
        <comment value="Comment" />
      </mapping>
      <mapping>
        <identity value="HdBe-VisualFunction" />
        <map value="VisualFunction.Comment" />
      </mapping>
    </element>
  </differential>
</StructureDefinition>