| parent | EYE.CONTACT_LENS | LP29673-8 |
| child | Cylinder | Left contact lens | Contact lens | LP408375-6 |
| child | Cylinder | Left contact lens prescription | Contact lens | LP408376-4 |
| child | Cylinder | Right contact lens prescription | Contact lens | LP408377-2 |
| child | Cylinder | Right contact lens | Contact lens | LP408378-0 |
| parent | EYE.REFRACTION | LP29677-9 |
| child | Cylinder | Left cornea | Refraction | LP418840-7 |
| child | Cylinder | Right cornea | Refraction | LP418841-5 |
| child | Cylinder | Left eye | Refraction | LP408729-4 |
| child | Cylinder | Right eye | Refraction | LP408730-2 |
| PartDisplayName | en-US | Cylinder |
| DisplayName | en-US | Cylinder |
LOINC Version: 2.77
FHIR