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Cataract surgery, also called lens replacement surgery, is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. The eye's natural lens is usually replaced with an artificial intraocular lens (IOL) implant.
Cataract surgery is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. Over time, metabolic changes of the crystalline lens fibres lead to the development of a cataract, causing impairment or loss of vision.
Manual small incision cataract surgery (MSICS) is an evolution of extracapsular cataract extraction (ECCE); the lens is removed from the eye through a self-sealing scleral tunnel wound. A well-constructed scleral tunnel is held closed by internal pressure, is watertight, and does not require suturing. The wound is relatively smaller than that ...
At some point—usually as you enter middle age—most people develop this eye condition, which is a clouding of the eye’s lens that can get progressively worse and impair your vision.
Mentions of eye surgery can be found in several ancient texts dating back as early as 1800 BC, with cataract treatment starting in the fifth century BC. It continues to be a widely practiced class of surgery, with various techniques having been developed for treating eye problems.
Several recent evaluations found that cataract surgery can meet expectations only when significant functional impairment due to cataracts exists before surgery. Visual function estimates such as VF-14 have been found to give more realistic estimates than visual acuity testing alone.
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.
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 .
Cataract surgery. Cataract surgery is a surgery in which cataracts are removed. This kind of surgery has been practiced since 29 CE in Ancient Rome. According to Celsus' description of cataract surgery
In 1988 Arnott was the first surgeon to insert a bi-focal lens implant in Europe. Following cataract removal, it used to be common for patients to require thick pebble glasses to be able to see. Nowadays, virtually all patients receive a lens implant following cataract surgery, avoiding the need for glasses.