Kennedy & Perkins has one of the best warranties in the optical industry.

Kennedy & Perkins Warranty
Limited Warranty:  All eyeglasses are warranted for 1 year with respect to manufacturing defects only.  In the event of a warrantee claim, Kennedy-Perkins Inc. reserves the right to repair or replace the frame or lenses.
Returns:  Unfortunately there are no refunds or returns on prescription custom made eyeglass lenses or contact lenses.  Non-prescription sunglasses or other merchandise can be exchanged or returned for store credit only within 7 days of purchase if the item is in perfect condition.  No cash refunds are allowed.
Prescription: If your eye doctor finds it necessary to change your prescription, we will remake your prescription at no charge (one time only) within two months from the original prescription date. Any subsequent doctor’s prescription changes will be charged at normal prices.