Question

normal person can adjust their focal length between 2.5 cm to 25/11 (≈ 2.27 cm) (without straining the eye or the lens). What is the farthest distance (far point) this person can see? What is the nearest distance (near point) this person can see?

Answer 1

Answer:

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Explanation:

The near point is the closest distance between an object and the eye that makes possible the formed image to be focused, i.e., it is the point in which the ciliary muscles are in their maximum contraction. The far point is the most distant point from the eye in which an object can be placed and its image is still focused, i.e., it is the situation of maximum relaxation of the ciliary muscles. The zone between the near point and the far point is called the accommodation zone.