Both supermodel Christie Brinkley and Bono, the lead singer of U2, were diagnosed with glaucoma during a routine eye exam. Both were also surprised by the diagnosis since they weren’t experiencing problems with their vision. That’s the sinister nature of glaucoma, one of the leading causes of blindness worldwide: People with glaucoma can lose most of their vision before they experience symptoms. Once vision is lost, it cannot be regained. That’s why The Eye MDs and the American Academy of Ophthalmology is urging people to get regular eye screenings to protect their good vision. Glaucoma is a group of diseases that damages the eye’s optic nerve. The optic nerve transmits visual information to the brain, allowing us to see. Because glaucoma often progresses slowly, affecting just peripheral or side vision, people with glaucoma can suffer significant vision loss…