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.
Usually, for a one month pair, it'll be usually about six months per prescription, or six contacts per case. Usually contact lens prescription is good for one year. After the year from when you had your eyes exam, the office or you yourself can make another exam to see if you can still see in your current prescription. 1 person found this useful.