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.
Understanding your contact lens prescription. Your contact lens prescription allows you to purchase contact lenses that match your requirements from opticians or online suppliers. You should be given a prescription after a successful contact lens fitting, if you were not given a prescription, in the UK it is your legal right to have a copy, so do not be afraid to ask your optician for it.