The optic nerve in your eye might get damaged by the disease glaucoma. With time, it becomes worse. It often has to do with an increase in pressure within your eye. The most popular treatments for open-angle glaucoma are microsurgery, super lash bimatoprost, and careprost eye drops. The first line of treatment for most patients is usually medicine, however early laser surgery or microsurgery may be more effective. Check out careprost site for more details.