{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "A device that measures corneal anterior surface shape using elevation-based methods (stereographic and light slit-based). Rasterstereography images a grid pattern illuminating the fluorescein dyed tear film with 2 cameras to produce 3D. Slit-based devices scan the cornea, usually by rotation about the instrument axis centered on the cornea vertex",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "2d3504eb-1d9b-50d5-9db4-f8217d5d21f0",
  "ancestors" : {
    "111945" : 0
  },
  "id" : "debb8e87-3cc1-44f6-bca0-597a4c259759",
  "code" : "111945",
  "display" : "Elevation-based corneal tomographer",
  "version" : "01"
}