Coin-shaped or round, discrete, grayish areas 0.5 to 1.5 mm in diameter scattered throughout the various layers of the cornea. ... Synonym: Dimmer's keratitis. ... (05 Mar 2000) ... 
Type: Term Definitions: 1. coin-shaped or round, discrete, grayish areas 0.5 to 1.5 mm in diameter scattered throughout the various layers of the cornea. Synonyms: Dimmer keratitis