crocodile shagreen

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shagreen, crocodile 

Polygonal greyish-white corneal opacities separated by relatively clear spaces and located in the stroma, either near Bowman's layer (anterior crocodile shagreen) or occasionally near Descemet's membrane (posterior crocodile shagreen). They are the result of an irregularity of the stromal collagen lamellae. The condition occurs in old people who are asymptomatic, with little or no effect on vision. Syn. crocodile shagreen of Vogt.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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