Fordítsd le a cikket magyarra! If you have spent time outside on a sunny day, you might have worn sunglasses – or wish that you had! Light-colored surfaces like white sand and snow reflect a lot of sunlight, causing a lot of bright light to enter your eyes. Squinting can make bright light a little more bearable because it reduces the amount of light that gets to your eyes. The predecessor to modern sunglasses, called snow goggles, took advantage of this effect through narrow slits that reduce incoming sunlight. Snow goggles were made out of a variety of materials and in a variety of shapes and styles, depending on what was available in the given environment and the styles and preferences and skills of the people who made them. In addition to causing discomfort and difficulty seeing, spending time outdoors in snow-covered landscapes on a sunny day poses a risk of snow-blindness, a painful condition that can result in temporary blindness due to the eyes being burned by sunlight. Eye protection was critical for winter hunting and other outdoor activities in the past just as it is today, and snow goggles more than 1,500 years old have been found in […]
