For example, mutations in multiple genes have been associated with cataract plus microcornea (e.g., MAF, CRYAA, and GJA8), posterior polar cataract (e.g., PITX3, EPHA2, CHMP4B, and NF2), or sutural cataract (e.g., BFSP2, CRYAB, and NHS). This evidence concerns the gene CHMP4B and Microcornea.