ABO Ophthalmology Complete Practice Exam 2025

Question: 1 / 400

What is the effect of a light source on the appearance of an AR-coated lens?

It becomes darker

It appears more crystal clear

An anti-reflective (AR) coating on lenses is designed to minimize reflections and enhance the transmission of light through the lens. When a light source is directed at an AR-coated lens, the coating reduces glare and allows more light to pass through, making the lens appear more transparent, or "crystal clear." This effect not only improves visual clarity for the wearer but also enhances the aesthetic appearance of the lenses by reducing unwanted reflections that can obscure the wearer's eyes.

Other options do not accurately describe the effect of light on AR-coated lenses. While such coatings do not darken lenses or absorb UV light in a significant way, their primary purpose is to improve light clarity, making them less reflective and more transparent. Therefore, the correct answer highlights the ability of AR coatings to enhance lens clarity under illumination.

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It reflects light more significantly

It absorbs more UV light

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