What is accommodation power of the human eye ?

Explanation

Power of accommodation of the human eye : The ability of the eye lens to adjust its focal length to form a sharp image of the object, for various object-distances, on the retina is called its power of accommodation.
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The ability of the eye lens to adjust its focal length, so that image of a nearby as well as distant objects can be focussed on the retina and hence seen comfortably and distinctly is called the power of accommodation of the eye.