Crystalline subtype of pre-descemetic corneal dystrophy.

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To report corneal findings in a familial case of the crystalline subtype of pre-Descemetic corneal dystrophy .A 19 -year -old girl and her 44 -year -old mother were found to have asymptomatic , bilateral , punctiform and multi-colored crystalline opacities across the whole posterior layer of the corneas . Endothelial specular microscopy revealed the presence of white round flecks located at different levels anterior to the endothelium . No systemic abnormalities or medications could be related to account for these findings .To the best of our knowledge , this is the third familial report of this rare corneal disorder . Differential diagnosis may include Schnyder corneal dystrophy , cystinosis , Bietti ´s dystrophy and monoclonal gammopathy .