Corneal Dystrophy, Groenouw Type I, also known as gcd1, is related to astigmatism and corneal dystrophy, reis-bucklers type. An important gene associated with Corneal Dystrophy, Groenouw Type I is TGFBI (Transforming Growth Factor Beta Induced). Affiliated tissues include eye and cornea, and related phenotypes are corneal crystals and central corneal dystrophy