GERSO Intermediate and Advanced: Refractive – Sunday, 16th October, 2022Oliver Jelley2022-10-31T09:59:58+00:00Project DescriptionYou need to be a member to view this page. Sign up to become a member here: https://www.gerso.org/become-a-member/If you are already a member please login below. Username Password Remember Me Forgot Password