A crystalline lens turning milky and cloudy in old age causes:
ACataract
BCatarrh
CCatalyst
DCathode
Answer & Solution
Correct answer: A. Cataract
1. It causes partial or complete loss of vision.
2. Surgery can restore the sight.
3. The condition is cataract.
_Source: NCERT Class 10 Science, Ch 11 'The Human Eye and the Colourful World'_
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