| A | B |
|---|
| Sclera | Tough, white fibrous tissue |
| Ciliary body | is formed by a thickening of hte choroid |
| iris | the colored part of the eye |
| pupil | the hole in the middle of the iris |
| retina | the incomplete innermost coat of the eyeball |
| rods | are shaped like tiny rodes |
| cones | are shaped like tiny cones |
| fovea centralis | a small depression in the center of a yellowish area |
| macula lutea | found near the center of the retina |
| optic nerve | sicond cranial nerve |
| blind spot | light rays striking this area cannot be seen |
