Monarch Disease Ontology entry MONDO_0007664 (glaucoma 1, open angle, A) is any juvenile glaucoma in which the cause of the disease is a mutation in the MYOC gene. Also known as: JOAG1A, MYOC juvenile glaucoma, MYOC juvenile open angle glaucoma, glaucoma 1, open angle, type A, glaucoma 1A, primary open angle, juvenile glaucoma caused by mutation in MYOC, juvenile open angle glaucoma caused by mutation in MYOC.