At Ultradot, we stand behind our products and want our loyal customers to be satisfied with their purchase today and in the future. Below, you will find the most current Ultradot Manuals, Limited Lifetime Warranty Information, Troubleshooting, Maintenance, Installation and O-Ring Replacement guidelines. Many questions can also be answered by visiting the FAQ’s page on this website. We have also included contact information to inquire about general product information, repair status and policy. Before returning any sight for repair, please see the Warranty Information link below to insure your sight is covered. We also suggest that every Ultradot owner review the Maintenance Information link to help insure your Ultradot product lasts a lifetime. If you find that your sight issue is not covered under the warranty, Ultradot, if possible, will repair for a nominal fee. Please contact the customer service department for more information.