| DChO | Doctor of Ophthalmic Surgery |
|---|---|
| DOMS | Diploma in Ophthalmic Medicine and Surgery |
| NOSTA | Naval Ophthalmic Support and Training Activity |
| NOTB | National Ophthalmic Treatment Board |
| OAP | Office of Adolescent Pregnancy; old age pension, old age pensioner; ophthalmic artery pressure; oste... |