| A | B |
|---|
| cornea | A transparent covering over the eye. |
| iris | The color part of the eye. |
| retina | The dark lining at the back of the eye. |
| schlera | The white tissue around the eye. |
| pupil | The hole in the center of the iris. |
| optic nerve | Sends message to the brain telling it what you see. |
| lens | A transparent object that light passes through. |
| nearsighted | Cannot see far away. |
| farsighted | Cannot see up close. |
| refraction | The bending of light rays. |
| focus | The gathering of light rays. |
| tapetum | A layer of cells at the back of the eye. |
