10 Different Types of Glaucoma And How To Identify Each One

2. Angle-Closure Glaucoma

Unlike open-angle glaucoma, this type progresses quickly and is a lot less common. Similarly, however, it is caused by the clogging of drainage canals which increases pressure. It is formed when the area between the iris and cornea becomes closed or narrowed. Whereas symptoms of open-angle glaucoma can go unnoticed, angle-closure has symptoms like eye pain, nausea, vomiting, headaches, and blurred vision. Some people visualize rainbow-colored circles around bright lights.