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 ?
People with diabetes are also more likely to get posterior subcapsular cataracts," says Jacques.
Potential Steroid-related Effects Use of corticosteroids may produce posterior subcapsular cataracts, increased intraocular pressure, glaucoma, and may enhance the establishment of secondary ocular infections due to bacteria, fungi, or viruses.
This is the first time scientists have demonstrated an association between smoking and posterior subcapsular cataracts, which are more likely to require surgery, Christen says.

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