Glasses exported to the United States without FDA certification can package customs clearance?

First of all, eyeglasses are classified as a kind of medical machinery, eyeglasses exported to the U.S., it is necessary to do FDA registration, otherwise it can not be sold in the United States. Secondly, you may also want to provide drop bead test, if you can not provide these documents can not be exported to the United States formally, these FDA certification and drop bead test of these certifications logistics companies can assist in matching to help guests to carry out formal customs clearance for export to the United States Amazon!