<unk>  is not a single disease but a group of disorders characterized by a progressive optic neuropathy, leading to a characteristic appearance of the optic disc and a specific pattern of irreversible visual field defects that are associated frequently but not invariably with raised intraocular pressure. The normal range of eye pressure in general population is usually between 10-22 mmHg. Untreated<unk>  leads to permanent damage of the optic nerve and resultant visual field loss, which can progress to blindness.
Glaucoma
Open-angle glaucoma
Cat eye syndrome
Ocular hypertension
Graves ophthalmopathy
Cataract
Dry eye syndrome
Diabetic retinopathy