Tag: polycarbonate
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How to Choose the Best High Impact Lenses for You
Whether you’re buying glasses for the kids that will need to withstand some knocks on the playground, glasses for playing sports where they might take a bump, or glasses that just need to stand up to tougher than normal treatment, high impact lenses might be a good idea. This article will explain the benefits and drawbacks…
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The Science Behind the Lens
There’s a lot of us wearing glasses, but did any of us take the time to really think about the amazing science that goes on our unappreciative faces? No. I didn’t think so. Did you know that not all lenses are made of glass? That came as a big shock to me, seriously. There’s all…
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What Are Rear Surface Progressive/Varifocal Lenses?
A Brief History of Progressive/Varifocal Lenses The first commercially available Progressive (Varifocal) lens now referred to as the Varilux 1 was introduced by Essel (now called Essilor) in the early 1960’s. There have been considerable improvements in both design and production technology since, and today there are many different designs of progressive lens available in…