Hi. Our glasses are covered under a 30-day warranty, which begins the day they are delivered to you. The anti-scratch coating is covered by this warranty. If the lenses become scratched, you may contact us within the 30-day warranty and we will promptly replace your glasses. You may call us at 1-800-211-2105 or email us at email@example.com
and a representative will be happy to assist you. Thank you.