Dear Customer, I'm afraid that this frame ST947, sunglasses can only be used for distance, not for reading, bifocal or progressive. However, you can choose regular frames with lens color. You can also order photochromic lens, tint lens or polarized lens for regular glasses, they will work as sunglasses. You may also check this link for more information, https://www.firmoo.com/help-p-107.shtml. Check here for step-by-step guidance: https://www.firmoo.com/help-p-42.shtml. 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 (every day, 5 a.m.–8 p.m. PDT.). I hope this is helpful. Have a nice day!

Thanks for your interest!
Our lenses are made of resin, which are lightweight and highly impact-resistant. Resin lenses also have a strong ability to block ultraviolet radiation to protect your eyes. To have UV rays against function you may consider to have coatings with tint/photochromic/ Mirror .