{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Similar to the Full Threshold algorithm except that it steps by 3 dB and only crosses the threshold only once. In: Flanagan JG, Wild JM, Trope GE. Evaluation of FASTPAC, a new strategy for threshold estimation with the Humphrey Field Analyzer, in a glaucomatous population. Ophthalmology, 1993, 100: 949-954",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "e1e2d252-5b77-5340-8727-3a7370692445",
  "ancestors" : {
    "111819" : 0
  },
  "id" : "f660b08c-9e8a-4c22-b0cc-64280c2e80a0",
  "code" : "111819",
  "display" : "Visual Field FastPac Test Strategy",
  "version" : "01"
}