Multiple choice

Presbyopia can be corrected by

  1. plano convex lenses

  2. bifocal lenses

  3. cylindrical lenses

  4. concave spherical lenses
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Presbyopia is an age-related condition where the eye's lens loses flexibility, making it difficult to focus on nearby objects. It is often accompanied by other refractive errors, so it is typically corrected using bifocal lenses, which have different powers for distance and near vision.

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