<?xml version="1.0" encoding="UTF-8"?><VisionPrescription xmlns="http://hl7.org/fhir"><id value="VisionPrescription-example"/><meta><versionId value="22"/><lastUpdated value="2022-02-18T00:40:16.539+08:00"/></meta><identifier><system value="http://www.happysight.com/prescription"/><value value="VPulx7lLxjchanGxeUE"/></identifier><status value="active"/><created value="2014-06-15T08:00:00+08:00"/><patient><reference value="Patient/example"/></patient><dateWritten value="2014-06-15T08:00:00+08:00"/><prescriber><reference value="Practitioner/example"/></prescriber><lensSpecification><product><coding><system value="http://terminology.hl7.org/CodeSystem/ex-visionprescriptionproduct"/><code value="lens"/></coding></product><eye value="right"/><sphere value="-2"/><prism><amount value="0.5"/><base value="down"/></prism><add value="2"/></lensSpecification><lensSpecification><product><coding><system value="http://terminology.hl7.org/CodeSystem/ex-visionprescriptionproduct"/><code value="lens"/></coding></product><eye value="left"/><sphere value="-1"/><cylinder value="-0.5"/><axis value="180"/><prism><amount value="0.5"/><base value="up"/></prism><add value="2"/></lensSpecification></VisionPrescription>