Andi Mack is the main character of the Disney Channel television show Andi Mack. She is... Andi Mack is the main character of the Disney Channel television show Andi Mack. She is portrayed by Peyton Elizabeth Lee. A girl who is about to realize that she can define who she is, when her older sister Bex returns home with a revelation, Andi is left with many questions that jump start her self-discovery.
Open-angle glaucoma, the most common form of glaucoma, accounting for at least 90% of all glaucoma cases: 1  Is caused by the slow clogging of the drainage canals, resulting in increased eye pressure.  Has a wide and open angle between the iris and cornea.
Open-Angle Glaucoma. This is the most common type of glaucoma in the United States. Open-angle glaucoma occurs as a result of aging. The drainage angle of the eye becomes less efficient with time, and pressure within the eye gradually increases. If this increased pressure results in optic nerve damage, it is known as chronic open-angle glaucoma. Over 90% of adult glaucoma patients have this type of glaucoma.