| A | B |
|---|
| achromatic | total color blindness where a person cannot recognize color |
| acuity | sharpness of vision, ability to see |
| daltonism | inability to tell the difference between red and green |
| deuteranopia | trouble telling any difference between varying shades of green, bluish reds and neutrals |
| ophthalmic | pertaining to the eye |
| otic | pertaining to the ear |
| myopia | nearsightedness |
| hyperopia | farsigntedness |
| tritanopia | cannot distinguish blue color |
| protanopia | difficulty with the perception of reds, sometimes yellows and greens are confused |
| audiometer | instrument used to measure one's hearing |
| auditory | pertaining to the sense of hearing |
| decibel | loudness of sounds |
