While it was the most deadly earthquake and the fifth deadliest natural disaster in history, there have been earthquakes with higher magnitudes. Aftershocks continued several times a month for half a year.
What eye prescription is considered legally blind? A: In order to be considered legally blind, a person must have a score of no better than 20/200 on a vision test while wearing corrective lenses, according to WebMD. The test may also be administered with a restricted field of vision, but the results must be the same. Continue Reading.
http://www.ssa.gov/OP_Home/ssact/title16b/1614.htm. Translation: If you wear your glasses or contacts (or both) and then are measured on an eye. chart as seeing 20/200 or less, or if the width of vision for both your eyes totals an arc of 20. degrees or less, you are legally blind according to this federal definition. CONSUMER / CLIENT / PATIENT: