American Board of Ophthalmology (ABO) Practice Exam

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Prepare for the American Board of Ophthalmology Exam. Study with interactive quizzes and comprehensive explanations to ensure you pass your test with confidence. Dive into a balanced mix of detailed questions and helpful hints for a successful exam experience.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the primary reason for using anti-reflective coatings on lenses?

To enhance the color of the lenses
To reduce light transmission
To minimize reflections and glare
To increase lens thickness

The correct answer is: To minimize reflections and glare

Anti-reflective coatings are primarily used on lenses to minimize reflections and glare. This improvement in light transmission is particularly beneficial for individuals who require clear vision in challenging lighting conditions, such as driving at night or using digital devices. By reducing the amount of light that reflects off the surface of the lenses, the coatings help enhance visual comfort and clarity. Additionally, the coatings can significantly improve appearance, as they make lenses more transparent and less noticeable, allowing for a more natural look for the wearer. Reducing glare is crucial for tasks that require high visual acuity, as it can enhance contrast and improve overall visual performance. While enhancing lens color or increasing thickness may have some effects on lens performance or aesthetics, these are not the primary purposes of anti-reflective coatings. Instead, the focus is on optimizing clarity and comfort by addressing the issue of unwanted reflections.