While clear glasses are rarely worn without the practical purpose of correcting eyesight or protecting the eyes, sunglasses have become popular for several other reasons and are sometimes worn indoors or even at night. Sunglasses can be worn to hide the eyes. They can make eye contact impossible, which can be intimidating for those who […]
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Sunglasses provide protection against excessive exposure to light, including its visible and invisible components. The most common protection is against ultraviolet rays, which can cause short and long-term eye problems such as photokeratitis, snow blindness, cataracts, pterygium, and various forms of eye cancer. Medical experts advise the public on the importance of wearing sunglasses to […]
In prehistoric times and history, the Inuit wore flat ivory hippocampus “glasses” that looked through narrow slits to block the sun’s harmful reflections. Using various forms and materials, indigenous peoples of North America and North Asia have created highly efficient devices to protect their eyes from the harmful effects of strong sunlight and snow. It […]