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. The disease is Grayson-Wilbrandt corneal dystrophy (MONDO_0017391). Also known as: GWCD.