Multiple choice general knowledge science & technology

Short-sightedness can be corrected by using

  1. Convex lens

  2. Concave lens

  3. Convex-concave lens

  4. Concave-convex 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 lens is too strong, causing light to focus in front of the retina. A concave lens diverges incoming light before it enters the eye, moving the focal point back onto the retina for clear vision.

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