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Cataract surgery is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [3] Over time, metabolic changes of the crystalline lens fibres lead to the development of a cataract, causing impairment or loss of vision.
Charles David Kelman (May 23, 1930 – June 1, 2004) was an American ophthalmologist, surgeon, inventor, jazz musician, entertainer, and Broadway producer. Known as the father of phacoemulsification, [1] [2] he developed many of the medical devices, instruments, implant lenses and techniques used in cataract surgery.
Cataract surgery in small animals such as dogs and cats is a routine ophthalmic procedure with a success rate of around 90%, and is usually better for eyes with relatively recent cataract development. The presence of other ocular problems may reduce the success rate. Procedures are similar to those for humans.
Canine cataract surgery involves small incisions in the cornea. The process is more intensive than in human cataract surgery, mainly due to the larger lens area in dogs than in humans which requires more power to break up the cataract, the need for general anesthesia, and post-operative care that involves anti-inflammatory medication and eye drops.
"Couching for cataract"; Wellcome Collection illustration of Indian doctors performing the technique. Couching is the earliest documented form of cataract surgery. It involves dislodging the lens of the eye, thus removing the cloudiness caused by the cataract. Couching was a precursor to modern cataract surgery and pars plana vitrectomy.
In 1976 he and Jared Emery of Houston, Texas, invented the diamond tipped "spear headed" surgical knife for making the phaco incision and in 1978 he was the first surgeon to perform a combined phaco cataract and glaucoma operation. Arnott was very early in recognising the new trend of laser refractive surgery to correct myopia (shortsightedness).
Announced on 31 December 1999, the New Year Honours 2000 list for the United Kingdom and New Zealand included Ridley as one of forty-five people accorded with the honour of Knight Bachelor, "for pioneering services to Cataract Surgery". [18] Subsequently, at a ceremony in February 2000, aged 93, he was knighted by the Queen at Buckingham Palace.
He was born in Barcelona, first son of Ignacio Barraquer (March 25, 1884 – May 13, 1965) and Josefa Moner Raguer (1893-1987). [citation needed]His grandfather, José Antonio Barraquer i Roviralta (1852-1924) was a pioneer of modern ophthalmology in Spain and a great histopathologist, and the brother of Lluis Barraquer i Roviralta (1855-1928), a pioneer of neurology and the founder, in 1882 ...
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