| A | B |
|---|
| pupil | opening that lets light into eye |
| iris | circle of color around pupil |
| cornea | clear covering over the eye |
| lens | focuses light on the back wall of eye |
| retina | back wall of eye |
| rods and cones | light and color receptors on the retina |
| optic nerve | carries images from eye to brain |
| blind spot | where optic nerve meets retina |
| nearsighted | see things clearly when they are close |
| farsighted | see clearly when they are far away |
| eyelashes | keep dust out of eye |
| eyelids | protece the front of eye |
| convex | lens that curves outward |
| concave | lens that curves in like a bowl |
| opaque | light does not pass through |
