As we already know, sunglasses come in a wide variety of styles and shapes to suit different tastes and needs.
From classic aviator styles to modern sports sunglasses, there are options for every lifestyle. In addition to all this, sunglasses hide some very interesting curiosities that we reveal to you today.
– Ancient origin : Sunglasses are said to have their origins in ancient China, where judges used dark glass lenses to hide their facial expressions during trials.
– Popularization by military necessity : Modern sunglasses became popular during World War II, when they were issued to aviation pilots to reduce glare and protect their eyes from the sun.
– UV Protection : Ultraviolet (UV) protection was not always a standard feature of sunglasses. It was not until the 1930s that lenses with UV protection began to be manufactured to protect the eyes from damage caused by prolonged exposure to the sun. 
– Celebrities and fashion : Sunglasses became a popular fashion accessory in the 1950s, thanks to Hollywood celebrities wearing them both in public and in films.
– Cultural phenomenon : Sunglasses have been used as a cultural symbol in various art forms, such as music, film and literature, where they often represent an attitude of coolness, mystery or rebellion.