Founded in 1936, the Prevention of Blindness Society of Metropolitan Washington® (POB), the largest local prevention of blindness agency in the United States, is dedicated to the improvement and preservation of sight by providing services, education, advocacy and innovation. POB screens more than 7,500 children annually for vision loss and strabismus and 5,000 adults for glaucoma. POB also serves nearly 8,000 low-income and homeless persons at its eyeglasses clinic. POB sponsors the Aging Eye Network, the Macular Degeneration Network and Stargardt's Network.