The human eye can focus on objects at different distances by adjusting the focal length of the eye lens. This is due to
(a) presbyopia.
(b) accommodation.
(c) near-sightedness.
(d) far-sightedness.
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The human eye can focus on objects at different distances by adjusting the focal length of the eye lens. This is due to ACCOMMODATION
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Answer:
The answer to this question is option b, and it is accommodation.
The human eye constantly adjusts the focal length of the lens of the eye to see objects through the eye clearly.
However, due to eye problems, it gets difficult to adjust the focal length to focus and need spectacles that acts as a lens of the eye to maintain the correct focal length.
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