InSite Vision (Alameda, CA) recently released a diagnostic kit for primary open-angle glaucoma (OcuGene) based on the TIGR/MYOC mt1 variant in the promoter region of the gene.[4] OcuGene is the first commercialized genetic test that screens for the presence of this promoter region mutation and several coding region mutations of the TIGR/MYOC gene. The gene discussed is MYOC; the disease is open-angle glaucoma.