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Eyeball
| Question | Answer |
|---|---|
| eyeball sits in a bony socket called | orbit |
| outer layer and white of your eye | sclera |
| eyeball has this many layers | three |
| central layer and supplies blood to the eye | choroid |
| blood supplies the eye with | nutrients and oxygen |
| inner skin like layer of the eye | retina |
| contains the light sensitive cells | retina |
| sensory receptors | rods and cones |
| transparent layer at the front of the eye | cornea |
| protect the eye and focus light | cornea |
| cornea is covered by the membrane called | conjuctiva |
| ring od muscula tissue between the cornea and the lens | iris |
| gives the eye color | pigment |
| the hole which allows light to pass through into the eye | pupil |
| curved structure which bends light to form an image | the lens |
| lens is made up of | transparent proteins |
| visual effect called | presbyopia |
| watery substance | aqueous humor |
| the membrane that contains the light sensitive cells | retina |
| respond to daylight and give your color vision | cones |
| help you see at night | rods |
| jelly like substane | vitreous humor |
| causes light to converge to a focus or focal point | convex lens |
| cause light to diverge or spread out | concave lens |
| used by near sighted people | concave lens |
| used by far sighted people | convex lens |
| is used in telescopes | convex |