<status value="draft" /> <date value="2023-09-11T06:35:41.1414642+00:00" /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" /> <derivation value="constraint" /> <differential> <element id="Observation.category"> <path value="Observation.category" /> <max value="0" /> </element> <element id="Observation.code.text"> <path value="Observation.code.text" /> <fixedString value="视力检查项" /> </element> <element id="Observation.focus"> <path value="Observation.focus" /> <max value="0" /> </element> <element id="Observation.value[x]"> <path value="Observation.value[x]" /> <max value="0" /> </element> <element id="Observation.dataAbsentReason"> <path value="Observation.dataAbsentReason" /> <max value="0" /> </element> <element id="Observation.interpretation"> <path value="Observation.interpretation" /> <max value="0" /> </element> <element id="Observation.note"> <path value="Observation.note" /> <max value="0" /> </element> <element id="Observation.specimen"> <path value="Observation.specimen" /> <max value="0" /> </element> <element id="Observation.device"> <path value="Observation.device" /> <max value="0" /> </element> <element id="Observation.referenceRange"> <path value="Observation.referenceRange" /> <max value="0" /> </element> <element id="Observation.hasMember"> <path value="Observation.hasMember" /> <max value="0" /> </element> <element id="Observation.derivedFrom"> <path value="Observation.derivedFrom" /> <max value="0" /> </element> <element id="Observation.component.code"> <path value="Observation.component.code" /> <short value="检查类型" /> <definition value="仅使用眼科部分" /> <binding> <strength value="required" /> <description value="一般检查类型代码" /> <valueSet value="urn:oid:1.2.156.112604.1.2.94782" /> </binding> </element> </differential> </StructureDefinition>