American Board of Ophthalmology (ABO) Practice Exam

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Prepare for the American Board of Ophthalmology Exam with expert resources. Utilize flashcards and multiple-choice questions with hints and explanations to excel in your exam.

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What is the purpose of anti-reflective coating on lenses?

To change lens color
To reduce glare
To make lenses scratch-resistant
To provide UV protection

The correct answer is: To reduce glare

The purpose of anti-reflective coating on lenses is primarily to reduce glare. This coating allows more light to pass through the lens by minimizing the reflections that occur on the surface. By reducing these reflections, anti-reflective coatings enhance visual clarity and comfort, especially in bright environments or when working on digital screens. This is particularly important for individuals who spend significant amounts of time in front of screens or in low-light conditions, as it improves the overall quality of vision. While there are coatings that can change lens color, make lenses scratch-resistant, or provide UV protection, these functions are not the primary objectives of anti-reflective coatings. Each of those features is achieved through different types of coatings or treatments designed specifically for those purposes. In summary, anti-reflective coatings are essential for enhancing vision by reducing glare, making them crucial for optimal visual performance.