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Do defects have benefits? (Posted on 2019-03-04) Difficulty: 1 of 5
Three men having normal vision, hypermetropia and myopia repetitively, jumps into lake for finding a diamond ring. Who had a better chance of spotting the ring?

Note: All the three men have their naked eyes directly exposed to water.

No Solution Yet Submitted by Danish Ahmed Khan    
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Fully agree! | Comment 2 of 3 |
Nice explanation, Steven!

Nearsightedness is caused by the eye bending the light too much, so the light focuses before it hits the retina. This might be because the eye is too long, the cornea too curvy or the eye's lens too large.

Underwater, the myopic dude will become slightly more farsighted than usual, so improving his vision.

The vision of the other two will actually worsen underwater, as Steven points out.

  Posted by JayDeeKay on 2019-03-04 14:59:15
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