{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The data output of an optical fixation monitoring process, consisting of a list of positive and negative numbers indicating the quality of patient fixation over the course of a visual field test. The value 0 represents the initial fixation. Negative numbers indicate a measuring error (i.e., the patient blinked). Positive numbers quantify the degree of eccentricity from initial fixation",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "a36fead8-a4de-50e1-ba9a-662cebf38b48",
  "ancestors" : {
    "111856" : 0
  },
  "id" : "7beb0bdf-6420-4cc7-aace-ada5af39dbe2",
  "code" : "111856",
  "display" : "Optical Fixation Measurements",
  "version" : "01"
}