Glaucoma 1, Primary Open Angle, C, also known as glaucoma 1c, primary open angle, is related to glaucoma, primary open angle and glaucoma 1, open angle, f. An important gene associated with Glaucoma 1, Primary Open Angle, C is GLC1C (Glaucoma 1, Open Angle, C). Related phenotypes are glaucoma and ocular hypertension