Glaucoma’s one of the leading causes of vision loss and blindness. It’s actually a group of diseases where pressure (usually) builds up and damages the eye’s optic nerve. National Glaucoma Awareness Month, in January, reminds all of us to get regular eye exams and show support for those suffering. Types of this disease include open–angle glaucoma, which causes peripheral eyesight to slowly diminish, angle–closure glaucoma, where pressure on the iris interferes with fluid draining, and low–tension glaucoma, which actually occurs without elevated pressure on the eye. There’s currently no way to restore vision lost from glaucoma.