Fun Holidays - Sunglasses Invention Day

One of the fun holidays that has been celebrated on July 1 since 2018 is Sunglasses Invention Day. Why exactly this date was chosen for the celebration in honor of the fashion accessory, history is silent. It is known that the purpose of the holiday is to draw attention to the benefits brought by this eye device and its creators. People have been using this accessory to protect their eyeballs from exposure to ultraviolet radiation for quite some time. Glasses were worn by Eskimos who, protecting themselves from the sun reflecting from snow and ice, polished the bones of wild animals, making slits in them for viewing. An accessory with smoky quartz lenses was used in Ancient China by judges who wanted to hide their eyes from witnesses and defendants. Emperor Nero watched the battles of Roman gladiators through a polished emerald, which was fixed in the center of his golden wreath - a symbol of power and military triumph. Another commander, Napoleon, was concerned about protecting the eyes of his army's soldiers from the sun. For them, by order of Bonaparte, glasses with lenses coated with varnish and soot were made. Later, European craftsmen began to use cobalt oxide to darken glass. This is interesting: In 2010, Nike Hindsigh sunglasses were released for cyclists and motorcyclists with a view of 25° more than the usual 180°. Their glasses, a hybrid of regular and Fresnel lenses, allow you to see with peripheral vision what is usually inaccessible to the human eye. The history of modern sunglasses dates back to 1752. At this time, the English optician James Ayscough managed to create lenses in green and blue colors, but the accessory was not put into mass production. The inventor sold only 2 pairs of these glasses. The fact that ultraviolet radiation harms the eye lens was noticed at the end of the 19th century. Swiss ophthalmologist Albert Vogt. From that moment on, the development of lenses that blocked solar radiation began, which were completed by the end of the 30s of the twentieth century. mass production of products under the Foster Grant brand. This is interesting: Glasses can be used as a charger for gadgets. This accessory has translucent solar panels on the lenses and a USB port. In the future, scientists plan to use this technology to create window glass that generates electricity. Sunglasses for dogs, wooden eco-models with thin horizontal slits for the eyes, the idea of ​​which was borrowed from the Eskimos, and items made of pure gold - this is not a complete list of accessories that amaze with their originality. Frames of unusual shapes, production materials and colors help women and men create an individual style and fashionable look. The accessory, which is always at the peak of fashion, adds mystery and enigma to the image, it is no coincidence that in the USA it is called suncheaters ("solar scammers"), not to mention protecting the eyes from UV radiation. Paying tribute to this important and useful product, people all over the world celebrate the Invention of Sunglasses Day on July 1st.