{
  "resourceType": "StructureDefinition",
  "id": "logicalmodel-Refractionassessment-R4",
  "url": "http://linkehr.com/fhir/logicalmodel-refractionassessment-R4",
  "identifier": [
    {
      "system": "openEHR-CKM",
      "value": "openEHR-EHR-OBSERVATION.refraction.v0"
    }
  ],
  "version": "0",
  "name": "Refractionassessment",
  "title": "Refraction assessment",
  "status": "draft",
  "date": "2024-06-18",
  "publisher": "openEHR",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.veratech.es"
        }
      ]
    }
  ],
  "description": "Assessment of the refraction required to achieve optimal visual acuity.",
  "purpose": "For recording the results of a refraction assessment, either performed on the patient's usual correction or by refraction of the patient.",
  "fhirVersion": "4.0.0",
  "mapping": [
    {
      "identity": "openEHR",
      "uri": "http://openehr.org",
      "name": "openEHR Mapping"
    },
    {
      "identity": "openEHR-natural",
      "uri": "http://openehr.org",
      "name": "openEHR natural path"
    }
  ],
  "kind": "logical",
  "abstract": false,
  "type": "StructureDefinition",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Element",
  "snapshot": {
    "element": [
      {
        "id": "Refraction_assessment",
        "path": "Refraction_assessment",
        "short": "Refraction assessment",
        "definition": "Assessment of the refraction required to achieve optimal visual acuity.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Refraction_assessment",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": true,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.protocol",
        "path": "Refraction_assessment.protocol",
        "short": "Tree",
        "definition": "@ internal @",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.protocol",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.protocol.Device_Details",
        "path": "Refraction_assessment.protocol.Device_Details",
        "short": "Device Details",
        "definition": "Details of the device used to measure refraction.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.protocol.Device_Details",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.protocol.Extension",
        "path": "Refraction_assessment.protocol.Extension",
        "short": "Extension",
        "definition": "Additional information required to capture local content or to align with other reference models/formalisms.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.protocol.Extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series",
        "path": "Refraction_assessment.Event_Series",
        "short": "Event Series",
        "definition": "@ internal @",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event",
        "path": "Refraction_assessment.Event_Series.Any_event",
        "short": "Any event",
        "definition": "Default, unspecified point in time or interval event which may be explicitly defined in a template or at run-time.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data",
        "path": "Refraction_assessment.Event_Series.Any_event.data",
        "short": "Tree",
        "definition": "@ internal @",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Description",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Description",
        "short": "Description",
        "definition": "An overall narrative description of the visual acuity test result.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Description",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Description.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Description.value",
        "short": "Description",
        "definition": "An overall narrative description of the visual acuity test result.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Description.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details",
        "short": "Result details",
        "definition": "Details of the refraction result for each eye.",
        "min": 0,
        "max": "2",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details",
          "min": 0,
          "max": "2"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Test_eye",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Test_eye",
        "short": "Test eye",
        "definition": "Identification of the eye which is being tested.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Test_eye",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Test_eye.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Test_eye.value",
        "short": "Test eye",
        "definition": "Identification of the eye which is being tested.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Test_eye.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Refraction_details",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Refraction_details",
        "short": "Refraction details",
        "definition": "Details of refraction for a single eye.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Refraction_details",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.No_test_result",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.No_test_result",
        "short": "No test result",
        "definition": "No refraction test result is available for the test eye.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.No_test_result",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.No_test_result.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.No_test_result.value",
        "short": "No test result",
        "definition": "No refraction test result is available for the test eye.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.No_test_result.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Reason_for_no_test_result",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Reason_for_no_test_result",
        "short": "Reason for no test result",
        "definition": "Reason why no refraction result is available for the test eye.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Reason_for_no_test_result",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Reason_for_no_test_result.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Reason_for_no_test_result.value",
        "short": "Reason for no test result",
        "definition": "Reason why no refraction result is available for the test eye.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Reason_for_no_test_result.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Interpretation",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Interpretation",
        "short": "Interpretation",
        "definition": "The test result expressed as a qualitative term, normally coded.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Interpretation",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Interpretation.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Interpretation.value",
        "short": "Interpretation",
        "definition": "The test result expressed as a qualitative term, normally coded.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Result_details.Interpretation.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Overall_interpretation",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Overall_interpretation",
        "short": "Overall interpretation",
        "definition": "A term, commonly coded, expressing an overall interpretation of the visual acuity test.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Overall_interpretation",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Overall_interpretation.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Overall_interpretation.value",
        "short": "Overall interpretation",
        "definition": "A term, commonly coded, expressing an overall interpretation of the visual acuity test.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Overall_interpretation.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Comment",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Comment",
        "short": "Comment",
        "definition": "Any additional narrative comment about the visual acuity test.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Comment",
          "min": 0,
          "max": "1"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Comment.value",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Comment.value",
        "short": "Comment",
        "definition": "Any additional narrative comment about the visual acuity test.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Comment.value",
          "min": 0,
          "max": "1"
        },
        "type": [
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            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.data.Examination_not_done",
        "path": "Refraction_assessment.Event_Series.Any_event.data.Examination_not_done",
        "short": "Examination not done",
        "definition": "Details to explicitly record that this test was not performed.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.data.Examination_not_done",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.state",
        "path": "Refraction_assessment.Event_Series.Any_event.state",
        "short": "Tree",
        "definition": "@ internal @",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.state",
          "min": 0,
          "max": "1"
        },
        "type": [
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            "code": "BackboneElement"
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        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.state.Confounding_Factors",
        "path": "Refraction_assessment.Event_Series.Any_event.state.Confounding_Factors",
        "short": "Confounding Factors",
        "definition": "Patient circumstances which affect interpretation of the result. Often termed 'reliability' in opthalmological documentation.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.state.Confounding_Factors",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.state.Confounding_Factors.value",
        "path": "Refraction_assessment.Event_Series.Any_event.state.Confounding_Factors.value",
        "short": "Confounding Factors",
        "definition": "Patient circumstances which affect interpretation of the result. Often termed 'reliability' in opthalmological documentation.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.state.Confounding_Factors.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.state.Refractive_Correction",
        "path": "Refraction_assessment.Event_Series.Any_event.state.Refractive_Correction",
        "short": "Refractive Correction",
        "definition": "The specific type(s) of refractive correction applied.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.state.Refractive_Correction",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Refraction_assessment.Event_Series.Any_event.state.Refractive_Correction.value",
        "path": "Refraction_assessment.Event_Series.Any_event.state.Refractive_Correction.value",
        "short": "Refractive Correction",
        "definition": "The specific type(s) of refractive correction applied.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Refraction_assessment.Event_Series.Any_event.state.Refractive_Correction.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "mustSupport": false,
        "isModifier": false,
        "isSummary": true
      }
    ]
  }
}