write the importance of ciliary muscles in the human eye name the defect of vision that arises due to gradual meaning of the ciliary muscles in old age what type of lenses are acquired by the person suffering from the defect to see objects clearly
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The main function of Cilliary muscles is that it can detect that how much amount of light passing in eyes...
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Ciliary muscle s are very important . They help in changing the focal length of the eye by changing it's shape i.e they help in changing the thickness of the eye lens while focusing. Due to oldage our ciliary muscle weaken and therefore lead to a eye defect called presbiopya in which a person can neither see an object nearby or far from him this can be corrected by a bifocal lense..
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