Merck Manual

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Normally, the lens receives light and focuses it on the retina. A cataract keeps some light from reaching the lens and distorts the light being focused on the retina.
Normally, the lens receives light and focuses it on the retina. A cataract keeps some light from reaching the lens and distorts the light being focused on the retina.
Normally, the lens receives light and focuses it on the retina. A cataract keeps some light from reaching the lens and distorts the light being focused on the retina.