TCF4 and Fuchs endothelial corneal dystrophy: Though its pathomechanisms have not been fully elucidated, some gene mutations related to FECD have been identified, such as the collagen type 8 α2 chain (COL8A2), transcription factor 4 (TCF4) and solute carrier family 4 member 11 (SLC4A11) [2].