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.
A person is considered to be legally blind if he or she has a best-corrected vision of 20/200 in their best-seeing eye. Many people feel that they are legally blind because when they remove their glasses or contact lenses, they cannot see a foot in front of their face.