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the transparent outer covering of the eye


colored part that controls amount of light in eye


opening in the center of the iris where light rays enter


transparent structure behind the pupil that bends and focuses light rays on the retina


inner surface of eye covered by cones and rods


only able to see close objects for image forms before the retina. needs concave lens


only able to see far objects for image forms behind the retina. needs convex lens

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