Blog

Photochromic Lenses

Lenses that darken automatically when exposed to various levels of light are called photochromic or light-adaptive lenses. This technology was discovered in the 1960s, but it didn’t really catch on until the 1990s. The convenience of photochromic lenses is huge: they’re basically like getting two complete pairs of glasses—regular glasses and sunglasses—in one! How the…
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April Showers Bring May (and More) Allergies

Spring has arrived! The birds are chirping, the days are getting longer, and suddenly you’re experiencing itchy and watery eyes. Seasonal allergies affect an estimated 50 million people in the United States, making the spring season a little (or a lot) less pleasant for many Americans. Up to 30 percent of adults and up to…
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Why is my eye twitching?

Probably everyone has had that feeling: ahh, my eye is twitching. You never know how to make it stop, how long it will keep going, or why it’s happening. The truth is that eyelid and eye twitching and spasms are pretty common, and no cause for alarm, but still somewhat of a mystery! Usually it’s…
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Digital Lenses

The idea of digital lenses may conjure up futuristic, electronic eyewear that gives you heat-detecting vision and the ability to zoom in real life, but the truth is that digital lenses look exactly like traditional lenses in a side-by-side comparison. There are no batteries involved! Digital lenses, also called high-definition or free-form lenses, are much…
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