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Get Answers to all your Questions
(a) State the role of ciliary muscles present in our eye.
(b) Identify the defect of vision in each of the following cases and suggest its corrective measure :
(i) The eye lens has become milky and cloudy.
(ii) The eye lens has excessive curvature.
(iii) The eye lens has large focal length (longer than normal).
(iv) Ciliary muscles have weakened.
Answers (1)
(a) The main function of ciliary muscles present in our eye is changes the shape of lens in the eye to help with focusing and also help in regulate the flow of aqueous humor in the eye.
(b) (i) Contract- it can be corrected by Surgery.
(ii) Mopia - it can be corrected by using a concave lens.
(iii) Hypermetropia - it can be corrected by using a convex lens.
(iv) Presbyopia - it can be corrected by bifocal lens.
