open-angle glaucoma secondary glaucoma pigmentary glaucoma https://github.com/monarch-initiative/mondo/issues/10449 A secondary glaucoma that can develop in pigment dispersion syndrome, in which pigment released from the iris is deposited in the trabecular meshwork, reducing aqueous outflow and raising intraocular pressure, leading to glaucomatous optic neuropathy. It is usually diagnosed between 40 and 50 years of age and occurs more often in men. ICD10CM:H40.13 SCTID:46168003 ICD9:365.13 MONDO:1060278