Collette K. Hand has written:

'Localisation of the gene for autosomal recessive congenital hereditary endothelial dystrophy' -- subject(s): Corneal Dystrophies, Hereditary, Corneal Endothelium, Endothelium, Corneal, Hereditary Corneal Dystrophies

The corneal endothelium governs fluid and solute transport across the posterior surface of the cornea and actively maintains the cornea in the slightly dehydrated state that is required for optical transparency.

i am not for sure but it one of these malachite a copper ore or galena,gray-black eye paints

depends on etiology vague question/could be from pigment dispersion syndrome,iritis,pseudoexfoliation,FUch's endothelial dystrophy many others. Finding could be begnign or could be a sign of something really wrong.

Simple squamous epithelium