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Published on
February 4, 2013
August 21, 2022
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The Future of iLab napkin challenge
#rrazavi
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What I’ve Got – Blue Light Filter Coating on my EyeglassesRecent research has shown that blue light (emitted by computer/smartphone displays) can lead to dry eyes and contribute to macular degeneration. Blue light has a short wavelength compared to other colors of visible light, meaning that it’s higher in energy, which contributes to greater damage to the retina. In order to stave off some of this damage, some glasses lens manufacturers have begun using coatings that reflect blue light, putting these coatings on lenses like mine. There are multiple ways of creating such a coating – these include applying anti-reflective coatings (which are made of various metal oxides that are applied to the lens) or applying yellow colored coatings (blue and yellow are complimentary colors, so a yellow lens will absorb blue light).
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iLab Napkin Mini-challenge. Mimi Xu
