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Prime Day is a prime time to pick up any electronics you need, as it’s the category that usually gets the deepest discounts. We’ve collected a number of the best deals in gaming, and these ...
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Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.
Red light therapy uses low wavelength red light to reduce the appearance of wrinkles, fine lines, scars, acne and redness, according to Dr. Rebecca Marcus, a board-certified dermatologist based in ...
Amazon Prime. Amazon Prime (styled as prime) is a paid subscription service of Amazon which is available in various countries and gives users access to additional services otherwise unavailable or available at a premium to other Amazon customers. Services include same, one- or two-day delivery of goods, and streaming music, video, e-books ...
The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...
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