| Abbreviation | Definition |
|---|---|
| COD | Catastrophic Optical Damage |
| COOA | China Optometric Optical Association |
| COPE | Council on Optometric Practitioner Education |
| COVD | College of Optometrists in Vision Development |
| CSNB | Congenital Stationary Night Nlindness |
| CTAA | Cataract, Anterior Polar |
| CTOS | Central Texas Optometric Society |
| D | Diopter |
| DCLP | Diploma in Contact Lens Practice |
| DCOS | Dallas County Optometric Society |
| EAOO | European Academy of Optometry and Optics |
| ECO | Eye Care Organization |
| ECP | Eye Care Professional |
| EGS | European Glaucoma Society |
| EOMI | Extra-Ocular Movements Intact |
| ERRLA | (pupils) Equal, round, responsive to light & accommodation |
| ETROP | Early Treatment of Retinopathy Of Prematurity |
| FAAO | F The American Academy Of Optometry |
| FAAO | Fellow Of American Academy Of Optometry |
| FCOptom | Fellow of the College of Optometry |