Existing lenses are not to be used. Must be replaced. Nine West NW5214 Eyeglasses Teal/Purple Tortoise 53mm New Authentic. ? 60 day, no questions asked return policy. ? ?As a TOP RATED PLUS seller, I provide some of the best customer service and satisfaction .? I pack all orders with great care and provide next day shipping to ensure safe and timely arrival of your goods. Electronics are shipped without batteries unless otherwise noted. If something arrives and is not to your satisfaction, please let me know and I will make it right. Customer service is my highest priority. I like to give fast and positive feedback and try to do so upon receipt of payment. Thank you for your business! You are very much appreciated.