| DOA | date of admission; dead on arrival; Department of Agriculture; depth of anesthesia; differential opt... |
|---|---|
| DOS | day of surgery; deoxystreptamine; disk operating system; Doctor of Ocular Science; Doctor of Optical... |
| IOD | injured on duty; integrated optical density; interorbital distance |
| MORD | magnetic optical rotatory dispersion |
| OCR | oculocardiac reflex; oculocerebrorenal [syndrome]; optical character recognition |