Monarch Disease Ontology entry MONDO_0012665 (cataract 33) is any early-onset non-syndromic cataract in which the cause of the disease is a mutation in the BFSP1 gene. Also known as: BFSP1 early-onset non-syndromic cataract, CTRCT33, cataract type 33, early-onset non-syndromic cataract caused by mutation in BFSP1.