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Question
Opacity of eye lens leads to
Opacity of eye lens leads to
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Solution
The correct option is B Cataract
A. Glaucoma is a disorder of eye in which the optic nerve which carries visual information to brain, is damaged and this leads to blindness.B. Cataract is an eye disease that occurs in older people. The visibility is reduced because the eye lens becomes opaque and cloudy. It is treated by surgery.C. Presbyopia occurs in the late age (generally after 40 years) due to loss of elasticity of eye lens due to which nearby objects are not correctly visible. It is corrected by using bifocal lengths.D. Astigmatism is a disorder of eye in which there is improper curvature of eye due to which light rays focus inaccurately on retina. It is corrected by using cylindrical lens.Hence, opacity of eye lens leads to 'Cataract'.
A. Glaucoma is a disorder of eye in which the optic nerve which carries visual information to brain, is damaged and this leads to blindness.
B. Cataract is an eye disease that occurs in older people. The visibility is reduced because the eye lens becomes opaque and cloudy. It is treated by surgery.
C. Presbyopia occurs in the late age (generally after 40 years) due to loss of elasticity of eye lens due to which nearby objects are not correctly visible. It is corrected by using bifocal lengths.
D. Astigmatism is a disorder of eye in which there is improper curvature of eye due to which light rays focus inaccurately on retina. It is corrected by using cylindrical lens.
Hence, opacity of eye lens leads to 'Cataract'.
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