What happens to the image distance in the eye

Question.
What happens to the image distance in the eye when we increase the distance of an object from the eye ?

solution:
The size of eye cannot be increased or decreased. Therefore, the image distance remains constant. When we increase the distance of an object from the eye, the image distance in the eye does not change. The increase in the object distance is compensated by the change (increase) in the focal length of the eye lens such that the image is formed at the retina of the eye.

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