MONDO_0011933 (ALG2-congenital disorder of glycosylation) is a form of congenital disorders of N-linked glycosylation characterized by iris coloboma, cataract, infantile spasms, developmental delay and abnormal coagulation factors. The disease is caused by loss-of-function mutations in the gene ALG2 (9q31.1). Transmission is autosomal recessive. Also known as: ALG2-CDG, CDG 1I, CDG Ii, CDG syndrome type Ii, CDG1I, carbohydrate deficient glycoprotein syndrome type Ii, congenital disorder of glycosylation type 1i, congenital disorder of glycosylation type Ii.