| Term | Definition |
|---|
| vitreous | a thick, transparent liquid that fills the center of the eye--it is mostly water and gives the eye its form and shape |
| iris | the colored part of the eye--controls amount of light that enters the eye by changing the size of the pupil |
| Lens | a crystalline structure located just behind the iris --focuses light into the retina |
| optic nerve | transmits electrical impulses from the retina to the brain |
| retina | sensory tissue that lines the back of the eye--contains millions of phtoreceptors (rods and cones) that convert light rays into electrical impulses that are relayed to the brain via the optic nerve |
Combine with other sets
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