what are the functions of the following part of the eyes? (a) Iris (b) eye-lens (c) ciliary muscles (d) retina (e) optic nerve? .................. Plzz answer me it's urgent...
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- The iris gives the colour to the eye.
- The eye lens that is convex in nature concentrates the light falling on it to a point on the retina.
- The function of ciliary muscles is to control the contraction and relaxation of the eye lens.
- The retina consists of rods and cones which check the intensity of light and on the retina image is formed and it coverts the photo of the object in an electrical impulse.
- The impulse is then carried out to the brain by the optic nerves.
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