Why is sight restricted underwater?

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Roma Hand asked a question: Why is sight restricted underwater?
Asked By: Roma Hand
Date created: Wed, Apr 21, 2021 2:00 PM
Date updated: Sat, Jun 25, 2022 1:11 PM

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If a human eye is immersed in water, which has about the same refractive index as the cornea and aqueous humor, the image becomes severely blurred because the eye loses about two-thirds of its refractive power. Thus, human eyes underwater produce a severely defocused image.

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