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Eyes
| Term | Definition |
|---|---|
| Far sighted | Able to see objects at a distance |
| Near Sighted | Able to see objects up close |
| Focus | To make an image clear |
| Iris | Colored ring around pupil that expands and contracts to control the amount of light entering the eye |
| Pupil | Opening in eye through which light enters |
| Lens (in eye) | Transparent convex part in eye behind cornea that helps to focus light onto the retina |
| Cornea | Transparent, rounded, outer surface of eye that helps focus light onto the retina |
| Optic disc | The spot or point in eye where optic nerve connects to the retina |
| Retina | The inner layer of the eye onto which images are projected. This image passes through optic nerve to the brain |
| Optic nerve | The thick ? that carries information to brain |
| Scalera | Outer coating of eye, commonly called the white of the eye |