Accommodating intraocular lenses cataract surgery

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Well over 90% of operations are successful in restoring useful vision, with a low complication rate.

Two main types of surgical procedures are in common use throughout the world.

The main types of IOLs that now exist are divided into monofocal and multifocal lenses.

Patients who choose these lenses over the more developed types will have to overcome the disadvantage of wearing eyeglasses or contact lenses for reading or using the computer.

The intraocular lens was designed with a hinge similar to the mechanics of the eye's natural lens.

The intraocular lenses used in correcting astigmatism are called toric and have been FDA approved since 1998.

These intraocular lenses are usually spherical, and they have their surface uniformly curved.

The multifocal intraocular lens is one of the newest types of such lenses.

However, the high cost of a phacoemulsification machine and of the associated disposable equipment means that ECCE and MSICS remain the most commonly performed procedure in developing countries.The first procedure is phacoemulsification (phaco) and the second involves two different types of extracapsular cataract extraction (ECCE). Foldable lenses are generally used for the 2-3mm phaco incision, while non-foldable lenses are placed through the larger extracapsular incision.The small incision size used in phacoemulsification (2-3mm) often allows "sutureless" incision closure.Cataract surgery is the removal of the natural lens of the eye (also called "crystalline lens") that has developed an opacification, which is referred to as a cataract.Metabolic changes of the crystalline lens fibers over time lead to the development of the cataract and loss of transparency, causing impairment or loss of vision.

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