The definition of legal blindness used in this country requires a best-corrected distance visual acuity of 20/200 or worse in the better eye or a visual field reduction to 20[degrees] in diameter or less. Prevalence and characteristics of dual sensory impairment (hearing and vision) in a veteran population.
Beaverton, Oregon. Beaverton is a city in Washington County, in the U.S. state of Oregon. The city center is 7 miles (11 km) west of downtown Portland in the Tualatin River Valley. As of the 2010 census, the population is 89,803. This makes it the second-largest city in the county and Oregon's sixth-largest city.
Tipton, Oklahoma. Tipton is a town in Tillman County, Oklahoma, United States. The population was 847 at the 2010 census. Tipton also is home to a home for children, founded in 1928, when Sol Tipton donated a plot of land to the founders. The original Tipton Home was in Canadian, Texas.