senile cataract — noun : a cataract of a type that occurs in the aged and is characterized by an initial opacity in the lens, subsequent swelling of the lens, and final shrinkage with complete loss of transparency … Useful english dictionary
Cataract — For other uses, see Cataract (disambiguation). Cataract Classification and external resources Magnified view of cataract in human eye, seen on examination with a slit lamp using diffuse illumination … Wikipedia
Cataract — A clouding of the lens of the eye. The normally clear aspirin sized lens of the eye starts to become cloudy. The result is much like smearing grease over the lens of a camera. It impairs normal vision. There are many causes of cataracts including … Medical dictionary
cataract — n. any opacity in the lens of the eye that results in blurred vision. Cataracts may be congenital or acquired. The latter may be due to metabolic disease (such as diabetes), direct or indirect injury to the lens, or prolonged exposure of the eye… … The new mediacal dictionary
Катаракта (Cataract) — помутнение хрусталика глаза, приводящее к заметному ухудшению зрения. Наиболее распространена старческая катаракта (senile cataract), часто встречающаяся у пожилых людей; однако существуют и врожденные катаракты, а также катаракты, развивающиеся… … Медицинские термины
brown cataract — brunescent cataract a senile cataract in which the opacity is brown … Medical dictionary
cortical cataract — 1. developmental punctate opacity, white or light blue in color, commonly found in the cortex of the lens; this is present in most lenses and there are multiple ones as a person ages, but they rarely affect vision. 2. the most common type of… … Medical dictionary
presenile cataract — a subcapsular senile cataract in a person under 40 … Medical dictionary
age-related cataract — senile c … Medical dictionary
senile nuclear sclerotic cataract — an increasing hardening of the nucleus of the lens, with the opacity appearing brown or black and the lens becoming inelastic and unable to accommodate; the opacity is usually bilateral, begins between ages 50 and 60, and progresses slowly … Medical dictionary