What condition is characterized by the opacity of the crystalline lens of the eye leading to loss of visual acuity?

Prepare for the JCAT Independent Practice Exam! Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Cataracts are a condition that involves clouding or opacity of the crystalline lens of the eye, which can significantly impair visual acuity. The crystalline lens is responsible for focusing light onto the retina, and when it becomes cloudy, this light cannot pass through clearly. As a result, individuals with cataracts may experience blurred vision, difficulty with night vision, and a decrease in contrast sensitivity.

The process can be gradual and often linked with aging, as well as other factors such as diabetes, prolonged use of corticosteroids, or exposure to UV light. This condition typically requires surgical intervention to restore clear vision, often through lens replacement. Understanding the nature of cataracts and their impact on vision is crucial for diagnosing and managing ocular health effectively.

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