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A cataract is a cloudy area in the lens of the eye ... Examples of chromosome abnormalities associated ... Pictures of different types of cataracts Archived 2013-03 ...
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 word "cataract" comes from the Greek word καταρρέω ("to flow down"), although the original Greek term was the plural-only Κατάδουποι. However, contrary to this, none of the Nile's six primary cataracts could be accurately described as waterfalls, and given a broader definition, this is the same with many of the minor ...
Cataract: A large, powerful waterfall. [1] Multi-step: A series of waterfalls one after another of roughly the same size each with its own sunken plunge pool. [1] Block: Water descends from a relatively wide stream or river. [1] [2] Cascade: Water descends a series of rock steps. [1] [2] Segmented: Distinctly separate flows of water form as it ...
What is cataract surgery? Cataract surgery is designed to restore clear vision by removing the cloudy lens and replacing it with a transparent artificial lens.
Childhood cataracts are the primary cause of childhood blindness. [4] Childhood cataracts make up 7.4% to 15.3% of blindness in kids. [4] The prevalence of childhood cataracts ranges from 0.63/10,000 to 9.74/10,000 children, with a median of 1.71. [6] This is dependent on factors like economic status but not gender or laterality. [6]
Waterfalls are sometimes interchangeably referred to as "cascades" and "cataracts", though some sources specify a cataract as being a larger and more powerful waterfall [1] [4] [5] and a cascade as being smaller. [6] A plunge pool is a type of stream pool formed at the bottom of a waterfall. [7] A waterfall may also be referred to as a "foss ...
Boyoma Falls (Swahili: Maporomoko ya Maji ya Boyoma, French: chutes de Boyoma, Dutch: Boyomawatervallen), [2] formerly known as Stanley Falls (French: Chutes Stanley; Dutch: Stanleywatervallen), is a series of seven cataracts, each no more than 5 m (16 ft) high, extending over more than 100 km (62 mi) along a curve of the Lualaba River between the river port towns of Ubundu and Kisangani (also ...