obsolete_Grayson-Wilbrandt corneal dystrophy true 3.41.0 http://purl.obolibrary.org/obo/MONDO_0017391 GWCD ICD10:H18.5 Grayson-Wilbrandt corneal dystrophy (GWCD) is an extremely rare form of corneal dystrophy characterized by variable patterns of opacification in the Bowman layer of the cornea which extend anteriorly into the epithelium with decreased to normal visual acuity. Replaced with Mondo term. orphanet