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One of the most requested questions in our blog is explaining what exactly is photochromic lenses? How do they work While ordinary lenses may serve to correct your vision, protect you from the sun among other things, photochromic lenses are made to protect your eyes during night and day. They contain special crystals that enable them to get darker during the day, while remaining clear during the night.  As they get exposed to high frequency light (most often ultraviolet UV radiation), they undergo a chemical process that changes the material molecular structure making it appear to be darker. They don't usually...

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Going out for a run or a cycling session when you have a pair of glasses that won't stay on can ruin your experience and hurt your performance. If you're looking for an easy way to make sure your glasses stay on while you exercise, you've landed on the right page.

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