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The Human Eye and Colourful World
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04/12/2020 10:17 am
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How does an eye focus the objects lying at various distances?
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04/12/2020 10:18 am
An eye can focus the images of the distant objects as well as that of the nearby objects on its retina by changing the focal length of its lens. The focal length of the eye-lens is changed by the action of the ciliary muscles. The ciliary muscles can change the thickness of the eye-lens and hence its focal length changes the converging power of the eye-lens.