Question

mention the role of crystalline lens in the human eye

Answer 1

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here is your ans.-

The crystalline lens focus the light rays entering in the eye   and forms the image on retina. The focal length of the lens is controlled by ciliary muscles according to the need  


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Answer 2

Answer:

Explanation:The crystalline lens focus the light rays entering in the eye and forms the image on retina. The focal length of the lens is controlled by ciliary muscles according to the need