how eye is able to focus object at different distance? what is range of vision of normal eye
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The eye manages this by varying the power (and focal length) of the lens to accommodate for objects at various distances. The process of adjusting the eye's focal length is called accommodation. A person with normal (ideal) vision can see objects clearly at distances ranging from 25 cm to essentially infinity.
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The process of adjusting the eye's focal length is called accommodation. A person with normal(ideal) vision can see objects clearly atdistances ranging from 25 cm to essentially infinity.
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