{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Test pattern for Glaucoma and general visual field assessment with 59 test locations of which 16 test locations are in the macular area (up to 10° eccentricity) and where the density of test location is reduced with eccentricity. The test can be extended with the inclusion of 14 test locations between 30° and 60° eccentricity, 6 of which are located at the nasal step",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "f261c412-7c9a-5035-b984-84e18ef3fdb3",
  "ancestors" : {
    "111810" : 0
  },
  "id" : "5a5c8c69-1ee1-4444-a038-808502c377a5",
  "code" : "111810",
  "display" : "Visual Field G Test Pattern",
  "version" : "01"
}