| Em | 1) Erythro-mycin 2) Emmetropia(Normal Vision) |
|---|---|
| AVT | Allen vision test; arginine vasotocin; Aviation Medicine Technician |
| BSV | binocular single vision |
| CVD | cardiovascular disease; cerebrovascular disease; collagen vascular disease; color-vision-deviant |
| D&N | distance and near [vision] |