Cataract formation is defined as which of the following?

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Multiple Choice

Cataract formation is defined as which of the following?

Explanation:
Cataract formation means the lens of the eye becomes cloudy. The lens is normally transparent to focus light onto the retina, but when its proteins clump and the lens fibers lose their normal arrangement, the lens loses clarity and scatters light. This clouding reduces vision, especially in bright light or at night, and is specifically a problem of the crystalline lens, not the cornea, iris, or retina. Inflammation of the iris is a different condition (iritis), detachment of the retina is a separate emergency situation, and clouding of the cornea is corneal opacity.

Cataract formation means the lens of the eye becomes cloudy. The lens is normally transparent to focus light onto the retina, but when its proteins clump and the lens fibers lose their normal arrangement, the lens loses clarity and scatters light. This clouding reduces vision, especially in bright light or at night, and is specifically a problem of the crystalline lens, not the cornea, iris, or retina. Inflammation of the iris is a different condition (iritis), detachment of the retina is a separate emergency situation, and clouding of the cornea is corneal opacity.

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