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A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [ 1 ] [ 7 ] Cataracts often develop slowly and can affect one or both eyes. [ 1 ] Symptoms may include faded colours, blurry or double vision , halos around light, trouble with bright lights, and difficulty seeing at night . [ 1 ]
Cataract surgery and IOL implantation have the safest and highest success rates of any eye care-related procedures. As with any type of surgery, however, some level of risk remains. [7] Most complications of cataract surgery do not result in long-term visual impairment, but some severe complications can lead to irreversible blindness. [92]
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.
This lowers the internal pressure within the eye and lessens the chance of future damage to the optic nerve. [7] Cases with pseudophacodonesis and dislocated IOL have been increasing in number, according to one report. [18] In cataract surgery, complications resulting from PEX include capsular rupture and vitreous loss. [2] Drug therapy.
Manual small incision cataract surgery (MSICS), which is considerably more economical in time, capital equipment, and consumables, but provides comparable results, is popular in the developing world. [6] Both procedures have a low risk of serious complications, [7] [8] and are the definitive treatment for vision impairment due to lens ...
A phakic intraocular lens (PIOL) is an intraocular lens that is implanted surgically into the eye to correct refractive errors without removing the natural lens (also known as "phakos", hence the term). Intraocular lenses that are implanted into eyes after the eye's natural lens has been removed during cataract surgery are known as pseudophakic.
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
Even when treated, childhood cataracts may be associated with some complications. [2] About 10% to 25% of children have been diagnosed with glaucoma after cataract surgery. [2] [4] The most common complication after cataract surgery in childhood is visual axis opacification. [2] [4] Cataract surgery may be associated with decreased ...