| parent | EYE.PX.NEI | LP203650-9 |
| child | Horizontal diameter | Left cornea | NEI eyeGENE eye physical exam | LP408670-0 |
| child | Horizontal diameter | Right cornea | NEI eyeGENE eye physical exam | LP408671-8 |
| parent | EYE.REFRACTION | LP29677-9 |
| child | Horizontal diameter | Left cornea | Refraction | LP419210-2 |
| child | Horizontal diameter | Right cornea | Refraction | LP419211-0 |
| PartDisplayName | en-US | Horizontal diameter |
| DisplayName | en-US | Horizontal diameter |
LOINC Version: 2.77
FHIR