| NREM | Non-Rapid Eye Movement |
|---|---|
| OD | 1) Doctor of Optometry 2) Oculus Dexter; Right Eye; 우측눈 3)... |
| OS | 1) Opening Snap 2) Orthopedic(Osteo)-Surgery; 정형 외과 3) Ocu... |
| REM | 1) Rapid Eye Movement; 급속 안구 운동 2) Radiation Equivalent to Man |
| SOREM | Sleep Onset Rapid Eye Movement |