Cataract 40, also known as ctrct40, is related to nance-horan syndrome and congenitally corrected transposition of the great arteries. An important gene associated with Cataract 40 is NHS (NHS Actin Remodeling Regulator), and among its related pathways/superpathways are Pentose phosphate pathway and PRPP biosynthesis. Affiliated tissues include eye, and related phenotypes are severely reduced visual acuity and nuclear cataract