| A | B |
|---|
| optic nerve | impulses sent via this to brain |
| retina | cells on this are sensitive to light and colour |
| lens | focus image on retina |
| pupil | made bigger or smaller by iris |
| cornea | transparent part of sclera |
| iris | coloured part made of muscle |
| ciliary body | control shape of lens |
| suspensory ligament | holds lens in place |
| aqueous humour | found between cornea and lens |
| vitreous humour | fills the main part of the eye |
| sclera | outer coat of the eye |
| blind spot | part of the retina with no light sensitive cells |
| fovea | part of the retina with the highest concentration of cones |
| rods | light sensitive cells that enable us to see movement and white and gray light. |
| cones | light sensitive cells that work in bright light and enable us to see color. |
