| ASVO | American Society of Veterinary Ophthalmology |
|---|---|
| DOph | Doctor of Ophthalmology |
| OOLR | ophthalmology, otology, laryngology, and rhinology |
| OP | occipitoparietal; occipitoposterior; occiput posterior; octapeptide; olfactory peduncle; opening pre... |
| Op | ophthalmology; opisthocranion |