| parent | EYE.PX | LP29676-1 |
| child | Cup-disc ratio | Left optic nerve | Eye physical exam | LP408590-0 |
| child | Cup-disc ratio | Right optic nerve | Eye physical exam | LP408591-8 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Cup-disc ratio |
| DisplayName | en-US | Cup-disc ratio |
LOINC Version: 2.78