posterior subcapsular cataract


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pos·te·ri·or sub·cap·su·lar cat·a·ract

a cataract involving the cortex at the posterior pole of the lens.

posterior subcapsular cataract

Etymology: L, capsula + Gk, katarrhaktes, waterfall
a visual opacity caused by a thickening of the epithelial cells lining the capsule. The condition is frequently the result of the aging process or a disease that involves surrounding eye tissues.

posterior subcapsular cataract

Abbreviation: PSC
A cataract between the posterior capsule and cortex. It is more common in younger patients, diabetics, and patients who use steroids. It tends to diminish near vision before it affects distance vision.
Synonym: posterior subcortical cataract; posterior cortical cataract
See also: cataract
References in periodicals archive ?
Bilateral posterior subcapsular cataracts after inhaled budesonide for asthma: have patients been given their medications correctly.
Supplementation failed to reduce the incidence or progression of nuclear, cortical, or posterior subcapsular cataracts.
Posterior subcapsular cataracts associated with nasal or inhalation corticosteroids.
Individuals who are overweight tend to have a higher risk of posterior subcapsular cataracts.
In an Australian study of 370 adult asthmatics aged 49-97 years, the risk of posterior subcapsular cataracts was not increased in patients who used inhaled beclomethasone or budesonide for less than 1 year.

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