Physics · Defects of human eye and the remedies
How do light rays from an object focus in a human eye affected by astigmatism?
- 1Rays diverge continuously and fail to form any focal point
- 2All rays converge perfectly at a single point in front of the retina
- 3Rays in different planes form lines of focus at different distances✓
- 4All rays converge perfectly at a single point behind the retina
Correct answer
Rays in different planes form lines of focus at different distances
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