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What is the purpose of anitreflective coatings on eyeglasses?

Antireflective coatings are heavily promoted by dispensing opticians. The coating does just what the name implies, that is, it decreases reflections of bright lights off of the glasses. Antireflective coatings also very slightly increase the light transmission of eyeglass lenses, but the increase is so small almost no one notices it.

If you are someone who makes public appearances wherein spotlights or other bright lights shine on your face, antireflective coatings will make you more photogenic.

Be aware that most of the lower cost antireflective coatings make the glasses lenses difficult to keep clean. (Unfortunately, antireflective coatings are often sold as protection against glare, but the glare protection from an antireflective coating is very slight. Adequate glare protection requires a polarized lens, which is only available in darkly tinted lenses.)

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.