Glaucoma, Normal Tension, also known as low tension glaucoma, is related to ocular hypertension and keratitis, hereditary, and has symptoms including progressive decreased vision An important gene associated with Glaucoma, Normal Tension is OPA1 (OPA1 Mitochondrial Dynamin Like GTPase), and among its related pathways/superpathways is Pathogenesis of ALS. The drugs Timolol and Travoprost have been mentioned in the context of this disorder. Affiliated tissues include eye and retina, and related phenotypes are nervous system and homeostasis/metabolism