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Blue Light Glasses

Have you ever heard of blue light glasses? Why do some people wear glasses only when looking at a screen even if their vision is perfectly normal. Why are these glasses sometimes tinted yellow? There are many reasons for this and these glasses are known as blue light glasses. They are intended for use when looking at a screen for a prolonged period of time and can help ease eye strain as well as some other ailments that can come with long-term watching of a screen.