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Beer-type cataract knife and needle, cased, Paris, 1820-1866 A cataract surgery. Dictionnaire Universel de Médecine (1746–1748) On Sep. 18, 1750, Jacques Daviel performed the first documented planned primary cataract extraction on a cleric in Cologne. [ 29 ]
Cataract surgery is one of the most cost-effective health interventions, since its economic benefits considerably exceed the cost of treatment. [ 128 ] [ 129 ] The 1998 World Health Report estimated 19.34 million people were bilaterally blind due to age-related cataracts, and that cataracts were responsible for 43% of all cases of blindness.
"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.
Access to cataract surgery is very variable by country and region. Even in developed countries availability may vary significantly between rural and more densely populated areas. Cataract surgery is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [1]
These first three categories accounted for 62% of spending. [3] Important differences include: Administrative costs. About 25% of U.S. healthcare costs relate to administrative costs (e.g., billing and payment, as opposed to direct provision of services, supplies and medicine) versus 10-15% in other countries.
[1] [2] It is distinct from its sister organization, the American Society of Ophthalmic Administrators (ASOA), which concerns itself with the business management, including insurance reimbursement and marketing, of ophthalmic practices in the United States. Both associations hold annual meetings or conventions as well as publishing proceedings.
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