{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Modality device that measures visual fields and perform visual perimetry",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "6461cd7c-0208-519a-8d10-d20910da8ae8",
  "ancestors" : {
    "OPV" : 0
  },
  "id" : "45d62097-5ee9-4fed-be02-7635b29cfa26",
  "code" : "OPV",
  "display" : "Ophthalmic Visual Field",
  "version" : "01"
}