Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2008. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Reduced red-green discrimination | Is a | True | Abnormal color vision | Inferred relationship | Some | |
| Reduced yellow-blue discrimination | Is a | True | Abnormal color vision | Inferred relationship | Some | |
| Chloropsia | Is a | False | Abnormal color vision | Inferred relationship | Some | |
| Chromatopsia | Is a | True | Abnormal color vision | Inferred relationship | Some | 
This concept is not in any reference sets