For the band with this name, see Cataract (band). For the geographical feature, see Types of waterfalls. Human eye cross-sectional view. Courtesy NIH National Eye Institute Normal vision. Courtesy NIH National Eye Institute The same view with a cataract. Cataract in Human Eye- Magnified view seen on examination with a slit lamp In ophthalmology, a cataract is any opacity which develops in the crystalline lens of the eye or in its envelope. The name derives from the ...
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