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contact lens |
a thin, plastic lens that is worn on the eyeball to correct vision or change the color of the eyes. |
eyeball |
the part of the eye that is shaped like a ball. The eyeball sits in the eye socket. |
eyelid |
a fold of skin that can be opened or shut over the eyeball. |
retina |
the part of the eye at the back of the inside of the eyeball. The retina has cells that sense light and color. Images are formed on the retina and sent to the brain. |
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