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Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer made from the monomer N-vinylpyrrolidone.
Bausch + Lomb is an eye health products company based in Laval, Quebec, Canada. It is one of the world's largest suppliers of contact lenses, lens care products, pharmaceuticals, intraocular lenses, and other eye surgery products. The company was founded in Rochester, New York, in 1853 by optician John Bausch and cabinet maker turned financial backer Henry Lomb. Until its sale in 2013, Bausch + Lomb was one of the oldest continually operating companies in the United States.
Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over 150 million people worldwide, and they can be worn to correct vision or for cosmetic or therapeutic reasons. In 2010, the worldwide market for contact lenses was estimated at $6.1 billion, while the US soft lens market was estimated at $2.1 billion. Multiple analysts estimated that the global market for contact lenses would reach $11.7 billion by 2015. As of 2010, the average age of contact lens wearers globally was 31 years old, and two-thirds of wearers were female.
CinemaScope is an anamorphic lens series used, from 1953 to 1967, and less often later, for shooting widescreen films that, crucially, could be screened in theatres using existing equipment, albeit with a lens adapter. Its creation in 1953 by Spyros P. Skouras, the president of 20th Century Fox, marked the beginning of the modern anamorphic format in both principal 2.55:1, almost twice as wide as the previously common Academy format's 1.37:1 ratio. Although the technology behind the CinemaScope lens system was made obsolete by later developments, primarily advanced by Panavision, CinemaScope's anamorphic format has continued to this day. In film-industry jargon, the shortened form, 'Scope, is still widely used by both filmmakers and projectionists, although today it generally refers to any 2.35:1, 2.39:1, 2.40:1, or 2.55:1 presentation or, sometimes, the use of anamorphic lensing or projection in general. Bausch & Lomb won a 1954 Oscar for its development of the CinemaScope lens.
Keratitis is a condition in which the eye's cornea, the clear dome on the front surface of the eye, becomes inflamed. The condition is often marked by moderate to intense pain and usually involves any of the following symptoms: pain, impaired eyesight, photophobia, red eye and a 'gritty' sensation.
Otto Wichterle was a Czech chemist, best known for his invention of modern soft contact lenses.
Ray-Ban is an American-Italian brand of luxury sunglasses and eyeglasses created in 1936 by Bausch & Lomb. The brand is known for its Wayfarer and Aviator lines of sunglasses. In 1999, Bausch & Lomb sold the brand to the Italian eyewear conglomerate, Luxottica Group, for a reported US $640 million.
Panavision is an American motion picture equipment company founded in 1953 specializing in cameras and lenses, based in Woodland Hills, California. Formed by Robert Gottschalk as a small partnership to create anamorphic projection lenses during the widescreen boom in the 1950s, Panavision expanded its product lines to meet the demands of modern filmmakers. The company introduced its first products in 1954. Originally a provider of CinemaScope accessories, the company's line of anamorphic widescreen lenses soon became the industry leader. In 1972, Panavision helped revolutionize filmmaking with the lightweight Panaflex 35 mm movie camera. The company has introduced other cameras such as the Millennium XL (1999) and the digital video Genesis (2004).
ReNu is a brand of soft contact lens care products produced by Bausch & Lomb. By far the most popular brand of lens solutions until 2006, ReNu has rebranded its formulations as renu sensitive and renu fresh, the latter containing a patented ingredient called hydranate, known by chemists as hydroxyalkylphosphonate, that removes protein deposits and can eliminate the need for a separate enzymatic cleaner.
Bausch Health Companies Inc. is a Canadian multinational specialty pharmaceutical company based in Laval, Quebec, Canada. It develops, manufactures and markets pharmaceutical products and branded generic drugs, primarily for skin diseases, gastrointestinal disorders, eye health and neurology. Bausch Health owns Bausch & Lomb, a supplier of eye health products.
A phoropter or refractor is an ophthalmic testing device. It is commonly used by eye care professionals during an eye examination, and contains different lenses used for refraction of the eye during sight testing, to measure an individual's refractive error and determine their eyeglass prescription. It also is used to measure the patients' phorias and ductions, which are characteristics of binocularity.
John Jacob Bausch was a German-American maker of optical instruments who co-founded Bausch & Lomb. Over six decades he transformed his small, local optical shop into a large-scale international enterprise, pioneering the American optical industry.
Aviator sunglasses are a style of sunglasses that were developed by a group of American firms. The original Bausch & Lomb design is now commercially marketed as Ray-Ban Aviators, although other manufacturers also produce aviator-style sunglasses.
Fungal keratitis is a fungal infection of the cornea, which can lead to blindness. It generally presents with a red, painful eye and blurred vision. There is also increased sensitivity to light, and excessive tears or discharge.
Ray-Ban Wayfarer sunglasses have been manufactured by Ray-Ban since 1956, which in turn has belonged to the Italian Luxottica Group since 1999. Wayfarers enjoyed early popularity in the 1950s and 1960s, returning to popularity again after a 1982 product placement. A second revival occurred in the mid-2000s.
UltraVision CLPL is a contact lens manufacturer, with headquarters in Leighton Buzzard, Bedfordshire, England. It ships products across the world.
Bausch is a German surname. Notable people with the surname include:
The Queen's Award for Enterprise: Innovation (Technology) (2010) was awarded on 21 April 2010, by Queen Elizabeth II.
Perry Rosenthal, was a Canadian-born American eye surgeon and professor of ophthalmology, known for his work in the development of the first gas-permeable scleral contact lens.
References
- ↑ IC longer wearing times [ permanent dead link ]
- ↑ Financial Times, Queen’s Award Winners 2010
- ↑ "In Contact | Alan Saks". Archived from the original on 11 April 2017. Retrieved 16 June 2010.
- ↑ Bausch & Lomb Newsroom [ permanent dead link ]