The world of vision correction has become a major industry in the United States. Everyone seems to be offering contact lenses for prescription contact lens wearers. You can often buy them at the doctor’s office, Wal-mart, over 1-800-Contacts, and now you can even buy contacts online. The question becomes whether or not you should purchase discount contacts online.CostWithout a doubt the most expensive place to buy contacts is through your doctor’s office. Next in line are the specialty eye c.