This value set includes codes based on the following rules:

• Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

  Code	Display	Definition
  111778	Single or Anterior Lens	Refers to the anterior lens when there are two lenses in the eye. The distance, in mm, from the anterior surface of the lens to the posterior surface of the lens.
  111779	Posterior Lens	Refers to the posterior lens when there are two lenses in the eye. The distance, in mm, from the anterior surface of the lens to the posterior surface of the lens.

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  31636006	Anterior Chamber
  26386000	Vitreous Cavity
  28726007	Cornea