Multiple choice

Short-sightedness can be corrected by

  1. concave-convex lens

  2. concave lens

  3. convex lens

  4. convex-concave lens
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Short-sightedness (myopia) occurs when the eyeball is too long or the cornea is too curved, causing light to focus in front of the retina. A concave lens diverges light before it enters the eye, moving the focal point back onto the retina and correcting the vision defect.

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