Open-angle glaucoma treatment market Open-angle glaucoma is a chronic, progressive, and irreversible multifactorial optic neuropathy that is characterized by open-angle of the anterior iridocorneal chamber, typical optic nerve head changes, gradual loss of peripheral vision (characteristic visual field changes) followed by central visual field loss (blindness) for which intraocular pressure (IOP) is a significant risk factor. For more details visit: Delveinsight