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.
Beavercreek is the largest city in Greene County, Ohio, United States, and is the second largest suburb of Dayton behind Kettering. The population was 45,193 at the 2010 census. It is part of the Dayton Metropolitan Statistical Area. The Beavercreek area was settled in the early 19th century, and in 1979, a part of Beavercreek Township was incorporated and became the City of Beavercreek in February 1980.