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Frequency. 60 million (2015) [6] 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 ...
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. According ...
WS cataracts are distinctly different from those of normal aging. They are associated with problems in the lens posterior cortex and subcapsular regions. These cataracts are generally treatable with cataract surgery, which should restore normal vision. [18] Symptoms become apparent in the late teens and early twenties and continue to progress.
Congenital cataracts are a lens opacity that is present at birth. Congenital cataracts occur in a broad range of severity. Some lens opacities do not progress and are visually insignificant, others can produce profound visual impairment. Congenital cataracts may be unilateral or bilateral. They can be classified by morphology, presumed or ...
Cataract: A large, powerful waterfall. Multi-step: A series of waterfalls one after another of roughly the same size each with its own sunken plunge pool. Block: Water descends from a relatively wide stream or river. Cascade: Water descends a series of rock steps. Segmented: Distinctly separate flows of water form as it descends.
Cataract surgery is the most common application of lens removal surgery, and is usually associated with lens replacement. It is used to remove the natural lens of the eye when it has developed a cataract, a cloudy area in the lens that causes visual impairment. [4] [10] Cataracts usually develop slowly and can affect one or both eyes. [4]
Specialty. Ophthalmology. Retinal detachment is a disorder of the eye in which the retina peels away from its underlying layer of support tissue. [1] Initial detachment may be localized, but without rapid treatment the entire retina may detach, leading to vision loss and blindness. It is a surgical emergency.
Myotonic dystrophy ( DM) is a type of muscular dystrophy, a group of genetic disorders that cause progressive muscle loss and weakness. [1] In DM, muscles are often unable to relax after contraction. [1] Other manifestations may include cataracts, intellectual disability and heart conduction problems. [1] [2] In men, there may be early balding ...
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