| Hint | Answer | % Correct |
|---|---|---|
| Circular tissue that can make the pupil more thick or thin to let in the right amount of light. | Iris | 88%
|
| Sensitive layer of nerve tissue that receives images and transfers them into electrical signals. | Retina | 79%
|
| Thin transparent membrane that protects the eye and helps refract light. | Cornea | 77%
|
| Fills the space in front of the lens and helps maintain shape of the eye. | Pupil | 73%
|
| Sends the electrical impulses to the brain. | Optic nerve | 65%
|
| Light sensitive cells for bright light conditions. | Cone | 54%
|
| Tough, white outer coating of the eye. | Sclera | 52%
|
| Light sensitive cells for dark light conditions. | Rod | 50%
|
| Where the optic nerve enters the eye, and no light sensitive cells are here. | Blind spot | 40%
|
| Muscles that make the lens rounder or flatter to refract the right amount of light. | Ciliary | 31%
|
| Ligaments that make the lens rounder or flatter to refract the right amount of light. | Suspensory | 29%
|
| Space behind the cornea. | Aqueous humour | 23%
|
| Fills the space behind the lens and helps maintain shape of the eyeball. | Vitreous humour | 19%
|
| Muscles that contract to make the pupil smaller. | Circular | 17%
|
| Black layer that absorbs excess light, preventing reflection. | Choroid | 15%
|
| Point where light sensitive cells are found in highest concentration. | Fovea | 15%
|
| Muscles that contract to make the pupil bigger. | Radial | 15%
|
| Transparent part of the thick coating of the eyeball (refracts most light). | Conjuctiva | 4%
|