| Abbreviations | Meaning |
 | ARSA | American Reye's Syndrome Association; Arylsulfatase A |
| OPG | Ocular Pneumoplethysmography |
| SDSEM | Spinocerebellar Degeneration-slow Eye Movements [syndrome] |
| EMR | Eye Movement Record |
| TOD | Right Eye Tension [Lat. Oculus Dexter] |
| O | Eye [Lat. Oculus]; Opening; Ovary Transplant; Pint [Lat. Octarius]; See Omicron |
| REM | Rapid Eye Movement |
| CET | Capital Expenditure Threshold; Cholesterol-ester Transfer; Collaborative Eclampsia Trial; Congenital Eyelid Tetrad |
| BARN | Bilateral Acute Retinal Necrosis; Body Awareness Resource Network |
| MOC | Maximum Oxygen Consumption; Metronidazole, Omeprazole, Clarithromycin; Multiple Ocular Coloboma |
| PED | Palmoplantar Ectodermal Dysplasia; Patient Examined By Doctor; Pediatric Emergency Department; Pink-eyed Dilution |
| EMP | Embden-Meyerhof Pathway |
| MEB | Medical Evaluation Board; Muscle-eye-brain [disease] |
| OS | (oculus Sinister) Left Eye |
| OD | Right Eye [Lat. Oculus Dexter] |
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