If your order has not been processed, you can change the order information within 2 hours after you complete your payment. Please contact our customer service team and provide us with the order number and correct information you want to change. Our staffs work speedily to get all orders processed and shipped out,therefore we are unable to change anything once order have been processed, such as shipping details, quantity of item, color and diopter counts. Please make sure all the information is correct when you checkout.