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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 ...
Posterior chamber IOL (PCIOL). This is by far the most common type of implanted lens after cataract surgery, as this is the natural and optimum position for a lens. [citation needed] Anterior chamber IOL (ACIOL). A less-common type of intraocular lens, which is sometimes used if a PCIOL is not an option for a patient or if the situation ...
Iris-fixated intraocular lens is an intraocular lens that is implanted surgically into the eye and attached to the iris. Originally developed for aphakia, phakic versions have also been produced to correct myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.
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.
The Intra-Ocular Implant Club was founded in 1966 by the English ophthalmic surgeons Sir Harold Ridley and Peter Choyce, [1] to promote research in the field of intraocular lens (IOL) implantation. [ 2 ] [ 3 ] At that time there was widespread opposition in the ophthalmic surgery profession to the use of IOLs. [ 4 ]
This glued IOL technique would be useful in many clinical situations in which scleral-fixated IOLs are indicated, such as luxated IOL, dislocated IOL, zonulopathy, or secondary IOL implantation. In a case with a dislocated posterior chamber, such as PMMA IOL, the same IOL can be repositioned, thereby reducing the need for further manipulation.
Clear lens extraction, also known as refractive lensectomy, custom lens replacement or refractive lens exchange is a surgical procedure in which clear lens of the human eye is removed.
The American Society of Cataract and Refractive Surgery (ASCRS), a professional society for surgeons specializing in eye surgery, based in Fairfax, VA, was founded in 1974.