| A | B |
|---|
| Iris | Color disk of the eye |
| Retina | Deep layer of the inner eye |
| Optic Nerve | Fibers to carry electrical impulses |
| Cornea | tough ooutside tissue of the eye |
| lens | covering of the pupil of the eye |
| Macula | where the light image lands on retina |
| Socket | boney cavity which surrounds the eye |
| Hyperopia | farsightedness |
| Myopia | nearsightedness |
| Presbyopia | Gradual loss of eye sight |
| Astigmatism | loss of focal point |
