Understanding Your Eyes
The eyes work like a camera, focusing light rays onto the retina to create an image.
Cornea |
The clear cover at the front of the eye that lets light in and also bends the light rays |
Iris |
Coloured ring that opens and closes to adjust the level of light entering the eye |
Pupil |
Hole in the Iris through which light enters the eye |
Lens |
Clear structure within the eye that further focuses light rays onto the retina |
Retina |
Lining at the back of eye that receives images focused by the lens |
Optic nerve |
Nerve at the back of eye that carries images from the retina to the brain |
Ciliary muscles |
These muscles change the shape of the lens to focus images on the retina |
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