<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="HdBe-VisualFunction.VisualAid" />
  <url value="https://fhir.healthdata.be/StructureDefinition/HdBe-VisualFunction.VisualAid" />
  <name value="HdBeVisualFunctionVisualAid" />
  <title value="HdBe VisualFunction.VisualAid" />
  <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 VisualFunction" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="DeviceUseStatement" />
  <baseDefinition value="https://fhir.healthdata.be/StructureDefinition/HdBe-MedicalDevice" />
  <derivation value="constraint" />
  <differential>
    <element id="DeviceUseStatement">
      <path value="DeviceUseStatement" />
      <definition value="The medical aids used to support the visual function." />
      <comment value="This is a specialization of the [HdBe-MedicalDevice](https://fhir.healthdata.be/StructureDefinition/HdBe-MedicalDevice) profile to represent VisualAid devices within the context of HdBe VisualFunction." />
    </element>
    <element id="DeviceUseStatement.device">
      <path value="DeviceUseStatement.device" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device" />
        <targetProfile value="https://fhir.healthdata.be/StructureDefinition/HdBe-VisualFunction.VisualAid.Product" />
      </type>
    </element>
    <element id="DeviceUseStatement.reasonReference:HdBe-MedicalDeviceReference">
      <path value="DeviceUseStatement.reasonReference" />
      <sliceName value="HdBe-MedicalDeviceReference" />
      <max value="0" />
    </element>
    <element id="DeviceUseStatement.reasonReference:visualFunction">
      <path value="DeviceUseStatement.reasonReference" />
      <sliceName value="visualFunction" />
      <short value="VisualFunction" />
      <definition value="The visual function as reason for the medical aids used." />
      <comment value="Please note that on a functional level, HdBe VisualFunction references HdBe MedicalDevice, but in FHIR this direction is reversed." />
      <alias value="FunctieZien" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.healthdata.be/StructureDefinition/HdBe-VisualFunction" />
      </type>
      <mapping>
        <identity value="zib-visualfunction-v3.1-2020EN" />
        <map value="NL-CM:4.16.4" />
        <comment value="Reversed reference for zib VisualFunction.VisualAid" />
      </mapping>
      <mapping>
        <identity value="HdBe-VisualFunction" />
        <map value="VisualFunction.VisualAid" />
        <comment value="Reversed reference for VisualAid" />
      </mapping>
    </element>
  </differential>
</StructureDefinition>