Which of the following is a common cause of turbidity in lens fibers?

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Turbidity in lens fibers is commonly associated with cataracts, which are characterized by the clouding of the lens in the eye. This cloudiness occurs due to changes in the proteins within the lens fibers, leading to the formation of aggregates that scatter light and impair vision. Cataracts can occur for various reasons including age-related changes, genetic factors, exposure to UV light, or metabolic diseases. The presence of turbidity indicates that the lens is not clear, which is a hallmark symptom of cataracts.

In contrast, the other options do not directly relate to lens turbidity. Corneal abrasion pertains to damage to the outer layer of the eye and does not affect the lens. Ear exudate involves fluid or discharge from the ear and is unrelated to ocular conditions. Oral lesions pertain to issues within the mouth and do not impact the clarity of the lens in the eye. Thus, cataracts are the most appropriate answer for a condition associated with lens fiber turbidity.

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