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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 ]
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.
Cataracts are the leading cause of child and adult blindness that doubles in prevalence with every ten years after the age of 40. [57] Consequently, today cataracts are more common among adults than in children. [56] That is, people face higher chances of developing cataracts as they age.
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]
Nance–Horan syndrome, also known as X-linked congenital cataracts and microcornea, X-linked cataract–dental syndrome, cataracts-oto-dental syndrome, cataract–dental syndrome, and mesiodens–cataract syndrome, is a rare X-linked syndrome characterized by eye and teeth abnormalities, intellectual disability, and facial deformities.
In 2022, a retrospective study conducted on 82 eyes with OOKP using original Strampelli technique, showed an anatomical survival of 94% up to 30 years of follow-up. The same study also reported a visual acuity better than 1.00 logMAR (or 20/200 Snellen) at 10 years in 81% of the eyes, and a visual acuity of 1.21 logMAR (or 20/324 Snellen) at 30 ...
A pair of glasses with a camera wirelessly transmits video to the microchip implanted in the patient's eye. Read: Two Legged Puppy Gets Moving Thanks to 3D Printer
Cataract surgery is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [3] Over time, metabolic changes of the crystalline lens fibres lead to the development of a cataract, causing impairment or loss of vision.