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An intraocular lens (IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as near-sightedness (myopia) and far-sightedness (hyperopia); a form of refractive surgery.
Independent Online, popularly known as IOL, is a news website based in South Africa that serves the online versions of a number of South African newspapers, including The Star, Cape Times, Cape Argus, Weekend Argus, The Mercury, Sunday Tribune, The Independent on Saturday, and The Sunday Independent.
IOL may mean: Iol, an ancient city in Algeria, now Cherchell; Independent Online, South African news website; Institute of Linguists, UK, now Chartered Institute of Linguists; International Linguistics Olympiad, an International Science Olympiad; Intraocular lens, eye implant; Ireland On-Line, a former internet service provider (ISP) in Ireland
The function of multifocal IOL depends on the pupil size for refractive types. The concept is based on the principle that the pupil tends to constrict for near tasks, so the central portion of the lens is designed for near and the outer portion for distance.
[6] [7] If a phakic IOL patient is assumed to have a 50-year lifespan, the overall decline in ACD may add up to 0.6–0.85 mm, long-term data about this effect are not available. This concern is more important in implantable collamer lens because it is implanted in the narrowest part of the anterior segment.
The International Linguistics Olympiad (IOL) is one of the International Science Olympiads for secondary school students. Its abbreviation IOL is deliberately chosen not to correspond to the name of the organization in any particular language, and member organizations are free to choose for themselves how to designate the competition in their ...
The first IOL implant in the United States was performed in 1952: a Rayner-Ridley lens implanted at the Wills Eye Hospital in Philadelphia. [9] The intraocular lens was approved as "safe and effective" and approved for use in the USA by the Food and Drug Administration in 1981. The first FDA-approved lenses – Choyce Mark VIII and Choyce Mark ...
The aim of an accurate intraocular lens power calculation is to provide an intraocular lens (IOL) that fits the specific needs and desires of the individual patient. The development of better instrumentation for measuring the eye's axial length (AL) and the use of more precise mathematical formulas to perform the appropriate calculations have significantly improved the accuracy with which the ...