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VisionPrescription resource (FHIR R4)

VisionPrescription is the FHIR R4 resource for an authorization for the provision of glasses and/or contact lenses to a patient.

ResourceVisionPrescription
FHIR versionR4 (4.0.1)
Canonical URLhttp://hl7.org/fhir/StructureDefinition/VisionPrescription
Required elementsstatus (1..1), created (1..1), patient (1..1), dateWritten (1..1), prescriber (1..1), lensSpecification (1..*)
IG profiles in this catalog1

Example

{
  "resourceType": "VisionPrescription",
  "id": "visionprescription-871d9d92bee2e93c31b968b4ec6123d0",
  "status": "active",
  "created": "2026-07-01T12:00:00Z",
  "patient": {
    "reference": "Patient/patient-L46A6EIB9J"
  },
  "dateWritten": "2026-07-01T12:00:00Z",
  "prescriber": {
    "display": "Dr. Optometrist"
  },
  "lensSpecification": [
    {
      "product": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/ex-visionprescriptionproduct",
            "code": "lens",
            "display": "Lens"
          }
        ]
      },
      "eye": "right",
      "sphere": -1.75,
      "add": 1.75
    },
    {
      "product": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/ex-visionprescriptionproduct",
            "code": "lens",
            "display": "Lens"
          }
        ]
      },
      "eye": "left",
      "sphere": -5,
      "add": 1.75
    }
  ]
}

Generated by the Pidgeon engine: pidgeon generate VisionPrescription --seed 20260722.

Validation context

  • strict pidgeon validate grades a VisionPrescription instance against the base R4 structure definition: missing required elements raise REQUIRED_FIELD_MISSING and cardinality violations raise CARDINALITY_MIN or CARDINALITY_MAX.(REQUIRED_FIELD_MISSING)
  • strict Profile validation grades the same instance against an installed IG profile: profile cardinality findings carry FHIR-PROFILE-CARDINALITY and terminology binding findings carry FHIR-PROFILE-BINDING.(FHIR-PROFILE-CARDINALITY)

This answer, in your terminal

pidgeon lookup VisionPrescription

Wire it into your AI agent:

claude mcp add pidgeon -- npx -y @pidgeonhealth/mcp

Download Post free to browse this reference with generation attached.

FHIR® R4 © Health Level Seven International. FHIR R4 specification content is used under its CC0 license; this page is a derivative work and is not endorsed by HL7 International.

HL7® and FHIR® are registered trademarks of Health Level Seven International.

Published by Pattern Engine LLC (Pidgeon Health).

Rendered from the same machine-readable definitions the Pidgeon engine validates against. Exported from the Pidgeon engine's FHIR R4 definitions (CC0); example generated with seed 20260722.