{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The SRK-T IOL calculation formula. Retzlaff JA, Sanders DR, Kraff MC. Development of the SRK/T intraocular lens implant power calculation formula. J Cataract Refract Surg 1990;16:333-40. Erratum 1990;16:528",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "dafc24dd-8569-5a52-9588-9d11e6d34ca8",
  "ancestors" : {
    "111767" : 0
  },
  "id" : "0f468f6a-a1df-4f3c-8d30-83e4fba4e2b5",
  "code" : "111767",
  "display" : "SRK-T",
  "version" : "01"
}