We offer a 100% satisfaction guarantee on all orders. If your prescription changes, we will even let you return the unused lenses within 90 Days, as long as All unopened product being returned for credit is intact and in saleable condition; free of writing stickers or markings of any kind. Product not received in re-saleable condition will not be credited and will be destroyed. Product returned for credit must be within 13 months of the expiration date shown on the packaging. Once we verify your new prescription, your lenses will be replaced and sent to you. We are also happy to replace torn lenses. Normal shipping fee's apply.  You may also bring in or pick up the product at our locations in Scarsdale, N.Y. and New York City.