Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Optic axis structure | Is a | Axis of eyeball | true | Inferred relationship | Some | ||
| Optic axis structure | Is a | Anatomical landmark | false | Inferred relationship | Some | ||
| Optic axis structure | Part of | geheel oog (lichaamsstructuur) | false | Additional relationship | Some | ||
| Optic axis structure | Laterality | Side | true | Inferred relationship | Some | ||
| Optic axis structure | Part of | Entire orbit proper | false | Additional relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Entire optic axis | Is a | True | Optic axis structure | Inferred relationship | Some | |
| Structure of internal axis of eyeball | Is a | True | Optic axis structure | Inferred relationship | Some | |
| Structure of external axis of eyeball | Is a | True | Optic axis structure | Inferred relationship | Some | |
| Optical axis alignment | Finding site | False | Optic axis structure | Inferred relationship | Some | |
| Optical axis deviation | Finding site | False | Optic axis structure | Inferred relationship | Some | |
| Change in ocular axis deviation | Finding site | True | Optic axis structure | Inferred relationship | Some | 1 |
| Becomes binocular | Finding site | True | Optic axis structure | Inferred relationship | Some | 1 |
| Optical axis deviation remains manifest (finding) | Finding site | True | Optic axis structure | Inferred relationship | Some | 1 |
Reference Sets
Lateralizable body structure reference set (foundation metadata concept)
Anatomy structure and entire association reference set (foundation metadata concept)