Corneal Dystrophy, Fuchs Endothelial, 3, also known as fecd3, is related to corneal dystrophy and fuchs' endothelial dystrophy. An important gene associated with Corneal Dystrophy, Fuchs Endothelial, 3 is TCF4 (Transcription Factor 4). Affiliated tissues include endothelial and eye, and related phenotypes are corneal opacity and visual impairment