| Term | Definition |
| daltonism | cannot tell diff. between red and green; most common; heredity |
| achromatic | total color blindness; see all in white, gray, & black, defective cones in the retina or no cones |
| deuteranopia | cannot tell diff. in varying shades of green, bluish reds, & neutral shades |
| protanopia | partial color blindness; have trouble w/perception or reds and confusing yellow and greens |
| tritanopia | rarest form; cannot distinguish blue color |
| palpation | evaluation using the sense of touch |
| percussion | exam by tapping on body surfaces to determine size and locate organs |
| auscultation | exam by listening to body sounds using stethoscope |
| mensuration | exam using a tape measure to keep track of growth and development |
| manipulation | the passive movement of a joint to determine the range of extension and flexion |