Chronic Open-Angle Glaucoma: Overview

Chronic Open-Angle Glaucoma is a slow-onset chronic form of glaucoma, where the eye’s internal pressure is too high. It has a slow and insidious onset, but can cause serious visual damage before any symptoms are noticed, and lead to permanent blindness. High IOP is a risk factor for glaucoma, but is not glaucoma and usually occurs without glaucoma. Symptoms of chronic glaucoma are often absent in the early phases, or mild, and may include peripheral vision loss, dim peripheral vision, blurred vision, visual difficulty in the dark or bright light (slower visual adjustment), mild eye pain (whereas acute glaucoma usually has severe eye pain), visual halos (halo effect around bright lights), or similar symptoms. Treatment is usually by various medications to lower the eye pressure.

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