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15 Cards in this Set
- Front
- Back
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Rods |
Photoreceptor with high sensitivity to light levels, but not colour. |
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Cones |
Photoreceptor with high sensitivity to colours. |
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Tapetum Lucidum |
The reflective layer at the back of the eye in nocturnal animals. |
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Conjuctiva |
Thin protective membrane lining the eyelids. |
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Sclera |
The white section of the eye providing structural support. |
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Retina |
Layer of light sensitive cells. |
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Pupil |
Hole in the eye allowing light to enter. |
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Iris |
Coloured ring of muscle around the pupil responsible for dilation and contraction. |
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Lens |
Curved, transparent membrane responsible for focusing light. |
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Cornea |
Transparent membrane over the front of the eyeball which protects the pupil and iris. |
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Ciliary Body |
Located behind the iris, produces fluid which assists in focussing the lens by thickening it. |
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Vitreous Humour |
Jelly like substance which suspends and protects the lens. |
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Macula |
Section of retina which absorbs excess light. |
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Fovea |
Section of the macula with high density of cone cells for sharp vision. |
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Optic Nerve |
Relays information from the eye to the brain. |
