Multiple choice general knowledge

Short-sightedness can be corrected by using

  1. Convex-concave lens

  2. Concave-convex lens

  3. Convex lens

  4. Concave lens
Reveal answer Fill a bubble to check yourself
D 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. Convex lenses would worsen the condition.

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