Usually you can get the new ordered prescription glasses after two or three days. If your prescription is high, you may need to wait for another two days because of the additional polished time. You should be patient. The eyeglasses from the Lenscrafters are good which will make your satisfaction.
Well, generally speaking, if you set an order to the store in person, it would not take too much time. Usually, you must go through an eye test in the store, it will take several minutes, then you have to wait about one hour before you claim your ordered glasses. But if you ordered precription glasses on the internet, everything will be uncertain, for they have other orders to take care of. If you really cannot wait, just buy them in person, and everything will turn out to be easy.