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.
It is illegal to sell contact lenses without a prescription, and for good reason. A contact lens is a medical device, and a poorly fitted lens  or one made from a material not well-suited to your eyes  can cause distorted vision, discomfort, infection, inflammation, swelling and abrasion.