{
  "package" : "hl7.fhir.r4.core@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" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
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  "id" : "7521e9bf-65f9-4e62-85f7-5b5152026448",
  "code" : "111766",
  "display" : "SRKII",
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}