Measurements for art work are 13.0 Iris with a 5.0 clear Pupil. When you order make sure to give us pupil and Iris size (all size are final). Fill out the information below to make sure we use your correct prescription. Any question's contact us at 1-800-807-8722 or email us at tintedlens@aol.com. Thank you for visiting www.fxeyes.com, your visit is important to us.