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The early writers discussed here treated vision more as a geometrical than as a physical, physiological, or psychological problem. The first known author of a treatise on geometrical optics was the geometer Euclid (c. 325 BC–265 BC).
Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.
One of the earliest known motion pictures to introduce the use of contact lenses as a make-up artist's device for enhancing the eyes was by the innovative actor Lon Chaney in the 1926 film The Road to Mandalay to create the effect of a character who had a blind eye. [125] Dr. Rueben Greenspoon applied them to Orson Welles for the film Citizen ...
Modern glasses, the most dominant form of eyewear. Eyewear is a term used to refer to all devices worn over both of a person's eyes, or occasionally a single eye, for one or more of a variety of purposes. Though historically used for vision improvement and correction, eyewear has also evolved into eye protection, for fashion and aesthetic ...
This feature enabled the columbiad to fire solid shot or shell to long ranges, making it an excellent seacoast defense weapon for its day. Used as an artillery piece during the War of 1812 by the United States against the British, the Columbiad was invented around the year 1812 by George Bomford, a colonel in the United States Army. [55]
It is one of the oldest eyewear companies in the world and is owned by the Luxottica group. The name is derived from the Italian per il sole, meaning "for the sun". Formed in 1917 by Giuseppe Ratti, Persol originally catered to pilots and sports drivers. Currently, the company markets durable sports sunglasses.
In the U.S., for instance, life expectancy declined during the COVID pandemic, from 79 years in 2019 to 76 in 2021 — whereas Germany’s life expectancy has been fairly consistent since 2014.
Edward Scarlett (1688 – 1743 in London) was an English optician and instrument maker, who first invented an eyeglass frame with earhooks in 1727. This frame is held by the nose and ears, at times the glasses were called in contrast to the nasal cannula and temples because they had short straps that pressed on the temple.