has major susceptibility factor disease has feature open-angle glaucoma low tension glaucoma SNOMEDCT_US_2025_09_01:155124000 MESH:D057066 disease_ontology ICD10CM:H40.12 UMLS_CUI:C0152136 An open-angle glaucoma characterized by increased intrinsic resistance to aqueous outflow without known secondary causes, an anatomically narrow anterior chamber angle, or elevated intraocular pressure compared to the average population. Normal tension glaucoma has_symptom progressive decreased vision and progressive loss of peripheral vision. ICD9CM:365.12 DOID:13544 Normal tension glaucoma ocular hypertension susceptibility to normal tension glaucoma