| BRAO | branch retinal artery occlusion |
|---|---|
| BRVO | branch retinal vein occlusion |
| CHRPE | congenital hypertrophy of the retinal pigment epithelium |
| CRA | central retinal artery; Chinese restaurant asthma; chronic rheumatoid arthritis; constant relative a... |
| CRAD | central retinal artery occlusion |