Question

what is the range of vision of normal eye?
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Answer 1

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Range of vision of a normal human eye is the range of distance for which human eye can see an object clearly. It ranges from infinity to 25 cm i.e. the range between far and near point.

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Answer 2

1. the ability at the eye lens to adjust its focal length is called accommodation.

2.focal length increases when culinary muscles get relaxed and lens gets thin.

3. focal length decreases when culinary muscles get contact and lens get thick.

u<25cm