Which vision defect is corrected using a Convex (converging) ophthalmic lens?
Answer and explanation
Correct answer: B. Hypermetropia
- Step 1: In hypermetropia, the eyeball is too short or refractive power too weak, focusing light behind the retina. Step 2. A convex (converging) lens with positive diopter power converges light rays prior to entering the cornea, focusing images sharply on the retina. Answer: Hypermetropia (Long-sightedness). Why not the others: Myopia is corrected with concave lenses; Cataract requires surgical lens replacement; Glaucoma is treated with pressure-lowering eye drops or iridotomy.
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More Medical Optics, Electrophysiology and Clinical Radiation questions
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