| ERF | Education and Research Foundation; external rotation in flexion; Eye Research Foundation |
|---|---|
| FACES | unique facies, anorexia, cachexia, and eye and skin lesions [syndrome] |
| FBCOD | foreign body of the cornea, oculus dexter (right eye) |
| FBCOS | foreign body of the cornea, oculus sinister (left eye) |
| FED | fish eye disease |
| NREM | non-rapid eye movement sleep |
|---|---|
| SEM | saccadic eye movement |
| SOREMP | sleep onset rapid eye movement period |
| SEF | supplementary eye field |