{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Test pattern for the macular area. Orthogonal test pattern with 0.7° spacing within the central 4° of eccentricity and reduced density of test locations between 4 and 10, 5° of eccentricity. 81 test locations over all. The test can be extended to include the test locations of the Visual Field G Test Pattern between 10, 5° and 60°",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "a5dba172-54f6-5c90-a989-88a7c19dc29d",
  "ancestors" : {
    "111811" : 0
  },
  "id" : "96633215-24e9-4cef-a3d2-0c94134f4193",
  "code" : "111811",
  "display" : "Visual Field M Test Pattern",
  "version" : "01"
}