Open-angle glaucoma also called chronic or primary glaucoma is one of the most common types accounting for around 90% of all cases of this eye condition. It is a heredity condition and people of African ancestry are found to be at a greater risk of this disease. This clinical condition is caused by gradual clogging of the drainage canals in the eye thereby increasing the pressure and resulting in damage of the optic nerve. Here are a few things you need to know about the condition: Are there any symptoms of open-angle glaucoma? The disease is called open-angle glaucoma is
