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Question
Sometimes, a person suffers from both the defects, myopia and hypermetropia. Which of the following is used to correct this defect?
Sometimes, a person suffers from both the defects, myopia and hypermetropia. Which of the following is used to correct this defect?
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Solution
The correct option is C Bifocal lens
Biofocal lenses are used to correct the defect when person suffers from both the defects of vision myopia and hypermetropia.A biofocal lens has upper portion made of concave lens and lower portion of convex lens with appropriate curvature/ focal length/ power.The upper portion of the lens facilitates distant vision and lower portion helps in near vision.
Biofocal lenses are used to correct the defect when person suffers from both the defects of vision myopia and hypermetropia.
A biofocal lens has upper portion made of concave lens and lower portion of convex lens with appropriate curvature/ focal length/ power.
The upper portion of the lens facilitates distant vision and lower portion helps in near vision.
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