Short sightedness is due to__________?
Correct answer: B. Elongation of eyeballs
- A. Shifting of the iris
- B. Elongation of eyeballs
- C. Weakening of the retina
- D. Weaker muscles
Explanation
In short-sightedness, or myopia, the eyeball is usually too long or the cornea is too strongly curved, so images form in front of the retina. A concave lens moves the focus back onto the retina.
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