{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The SRKII IOL calculation formula. Sanders DR, Retzlaff J, Kraff MC. Comparison of the SRK II formula and other second generation formulas. J Cataract Refract Surg. 1988 Mar;14(2):136-41",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "fad417e7-4d45-5379-8b0b-003614d941cd",
  "ancestors" : {
    "111766" : 0
  },
  "id" : "cc653eb6-25b0-4923-88e7-bfc8ca99c732",
  "code" : "111766",
  "display" : "SRKII",
  "version" : "01"
}