DesignerOptics.com Lets Customers Edit, Cancel and Reorder right from the thank you page of the order, or in your account under orders, 

• Changing the order

For full editing flexibility, the original order is canceled, and the shopping cart is reloaded.

• 1 Hour Limit 

we have a one hour limit to cancel an order, after one hour your order might already be in the lab if you have a RX order or it might already be shipping, therefore you will have to contact us to cancel the order. 

• Prescription orders

An order with prescription can only be cancelled if the lenses hasn't been ordered or worked on yet