Question:
for a myopic person wearing lens the image for far away object is formed at less than infinity.The how can he judge the exact distance of the far away object
Answer:
For a myopic person, without wearing the correction lens, the image is formed in front of the retina. And thus it appears blurred. However, with the correction lens (concave lens), the image forms on the retina and thus the objects appear as they are in reality. Thus, it is then a normal vision, and he can estimate the distances correctly.
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