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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 ...
Capsulorhexis or capsulorrhexis, and the commonly used technique known as continuous curvilinear capsulorhexis (CCC), is a surgical technique used to remove the central anterior part of the capsule of the lens [1] from the eye during cataract surgery by shear and tensile forces.
"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, resulting in aphakia.
Cataract surgery has a long history in Europe, Asia, and Africa, with Chrysippus of Soli, a stoic Greek philosopher providing the earliest account. [106] Couching was the original form of cataract surgery, and was used from antiquity. It is still occasionally found in traditional medicine in parts of Africa and Asia.
The intraocular lens did not find widespread acceptance in cataract surgery until the 1970s, when further developments in lens design and surgical techniques had come about. As of 2021, approximately four million cataract procedures take place annually in the U.S. and nearly 28 million worldwide, a large proportion in India.
Posterior sub-capsular cataract PVD Posterior vitreous detachment PXF Pseudoexfoliative syndrome RD Retinal detachment: RK Radial keratotomy: RP Retinitis pigmentosa: SEAL Superior epithelial arcuate lesion SLK Superior limbic keratoconjunctivitis SMH Submacular hemorrhage SPK Superficial punctate keratitis SPEE Superficial punctate epithelial ...
Phacoemulsification is a cataract surgery method in which the internal lens of the eye which has developed a cataract is emulsified with the tip of an ultrasonic handpiece and aspirated from the eye. Aspirated fluids are replaced with irrigation of balanced salt solution to maintain the volume of the anterior chamber during the procedure.
coronary artery graft surgery: cAMP: cyclic adenosine monophosphate: CAH: chronic active hepatitis congenital adrenal hyperplasia: CAKUT: congenital abnormalities of the kidney and urinary tract, see bladder outlet obstruction: CALLA: common acute lymphocytic leukemia antigen CALM: café au lait macules: CAM: cell adhesion molecule ...