Bends light into the eye, Elastic biconvex structure; thickness changed in order to focus light onto the retina, Connective tissue that attaches the lens to the ciliary body, Contains ciliary muscles that control the curvature/thickness of the lens, Contains photoreceptors such as cones and rods, Position where images are normally focused; enables detailed colour vision in bright light, Region where the optic nerve leaves the eye; no cones and no rods, Carries nerve impulses from the eye to the brain when photoreceptors are stimulated, Transparent jelly-like substance that keeps the eyeball firm, Pigmented black to prevent total internal reflection; contains blood vessels that supply oxygen and nutrients to the eyeball while removing metabolic waste products, Contain antagonistic muscles, Size can be changed to control the amount of light entering.

The human eye II

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Угради

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