March 2004
Review of Optometry;3/15/2004 Supplement, Vol. 141, p15A
Trade Publication
The article presents information on conjunctival concretions or lithiasis. They are seen as small, white to yellow nodules superficially buried within and beneath the palpebral conjunctiva. They may occur in either the upper or lower lid; when inferior, they often appear adjacent to or underlying fluid-filled conjunctival cysts. These small, round, calculi appear to be a side effect of an aging palpebral conjunctiva, or a sequela of recurrent episodes of chronic conjuctivitis. They have been associated with chronic atopic keratoconjunctivitis and Herbert's pits following post-trachomatous degeneration. However, they frequently occur idiopathically. The patient with lithiasis may report a foreign-body sensation that is especially prominent upon blinking, although most patients are asymptomatic.


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