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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.
The infrared radiation is absorbed by the iris and lens of the eye. This causes cataracts after decades of exposure. [2] This condition may be prevented by wearing protective glasses while practicing these occupations. A person glassblowing. Comparison between a healthy eye versus one with a Cataract.
Phacolytic glaucoma (PG) is a form of glaucoma which is caused due to a leaking mature or immature cataract.Inflammatory glaucoma which occurs in phacolysis is a condition which is a result of the leakage of protein within the lens into the capsule of a mature or hyper mature cataract and involves a simple procedure to be cured that is referred to as cataract extraction.
Aphakia is the absence of the lens of the eye, due to surgical removal, such as in cataract surgery, a perforating wound or ulcer, or congenital anomaly. It causes a loss of ability to maintain focus (accommodation), high degree of farsightedness (), [1] and a deep anterior chamber.
Its prevalence in different human populations varies; for example, it is prevalent in Scandinavia. [2] The buildup of protein clumps can block normal drainage of the eye fluid called the aqueous humor and can cause, in turn, a buildup of pressure leading to glaucoma and loss of vision [3] (pseudoexfoliation glaucoma, exfoliation glaucoma). As ...
Congenital cataract is a lens transparency disorder that occurs at birth or soon after. It is a leading cause of treatable vision loss or visual impairment in children. [2] A cataract is a clouding of the eye's lens. and is caused by a disruption in the normal structure or function of the lens protein, resulting in opacity.
From 6-12 months, children are screened at their well-child visits with the red reflex test, assessment of eye movement, and proper pupil dilation. From 1 year to 3 years of age, children often undergo a "photoscreening" test where a camera takes pictures of the child's eyes to assess for developmental abnormalities that may lead to amblyopia ...