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.
Ballston Lake (GNIS FID: 942934) is a populated place located in Saratoga County at latitude 42.912 and longitude -73.868. The elevation is 272 feet. Ballston Lake appears on the Round Lake U.S. Geological Survey Map. Saratoga County is in the Eastern Time Zone (UTC -5 hours). Saratoga County: Cities & Towns | ZIP Codes | Schools | Features (airports, churches, hospitals, etc.