http://hl7.org/fhir/StructureDefinition/VisionPrescription|4.0.1

description: An authorization for the provision of glasses and/or contact lenses to a patient.
derivation: specialization
name: VisionPrescription
type: VisionPrescription
elements:
  identifier: {short: Business Identifier for vision prescription, array: true, index: 0}
  status:
    isModifier: true
    short: active | cancelled | draft | entered-in-error
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/fm-status|4.0.1'}
    isModifierReason: This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid
    isSummary: true
    index: 1
  created: {short: Response creation date, isSummary: true, index: 2}
  patient: {short: Who prescription is for, isSummary: true, index: 3}
  encounter: {short: Created during encounter / admission / stay, index: 4}
  dateWritten: {short: When prescription was authorized, isSummary: true, index: 5}
  prescriber: {short: Who authorized the vision prescription, isSummary: true, index: 6}
  lensSpecification:
    min: 1
    short: Vision lens authorization
    array: true
    isSummary: true
    index: 7
    elements:
      sphere: {short: Power of the lens, index: 10}
      color: {short: Color required, index: 21}
      eye:
        short: right | left
        binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/vision-eye-codes|4.0.1'}
        isSummary: true
        index: 9
      diameter: {short: Contact lens diameter, index: 19}
      duration: {short: Lens wear duration, index: 20}
      brand: {short: Brand required, index: 22}
      note: {short: Notes for coatings, array: true, index: 23}
      power: {short: Contact lens power, index: 17}
      product:
        short: Product to be supplied
        binding: {strength: example, valueSet: 'http://hl7.org/fhir/ValueSet/vision-product'}
        isSummary: true
        index: 8
      cylinder: {short: Lens power for astigmatism, index: 11}
      prism:
        short: Eye alignment compensation
        array: true
        index: 13
        elements:
          amount: {short: Amount of adjustment, index: 14}
          base:
            short: up | down | in | out
            binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/vision-base-codes|4.0.1'}
            index: 15
        required: [base, amount]
      axis: {short: Lens meridian which contain no power for astigmatism, index: 12}
      add: {short: Added power for multifocal levels, index: 16}
      backCurve: {short: Contact lens back curvature, index: 18}
    required: [product, eye]
class: resource
kind: resource
url: http://hl7.org/fhir/StructureDefinition/VisionPrescription
base: http://hl7.org/fhir/StructureDefinition/DomainResource
version: 4.0.1
required: [created, lensSpecification, dateWritten, status, patient, prescriber]