Dear Customer, thank you for contacting Firmoo. The bridge is the small area that rests on the bridge of your nose. Measure only the part of the eyeglass frames between the lenses. Please check this link on how to measure eyeglasses size, https://www.firmoo.com/help-p-5.shtml
. We understand that choosing a perfect frame size online can be tough sometimes so we suggest that you could please check this link https://www.firmoo.com/help-p-1.shtml
for reference. For any further questions or immediate assistance, you may also call our call center thru toll-free hotline at 1-855-487-6006 opens every day from 7 a.m.- 4 p.m. PDT. You can also contact us through our Live Chat Support Team: Start a live chat (Everyday, 4 a.m.-10 p.m. PDT.) or email us at firstname.lastname@example.org. Please stay safe and healthy! Thanks!