| CRAO | central retinal artery occlusion |
|---|---|
| CRB | chemical, radiological, and biological; congenital retinal blindness |
| CRP | chronic relapsing pancreatitis; corneal-retinal potential; coronary rehabilitation program; C-reacti... |
| CRV | central retinal vein |
| CRVO | central retinal vein occlusion |