What was the papillary distance you used? I bought these for my 11 year old daughter, and I had to guess.

Dear Customer, thank you for contacting Firmoo. PD stands for Pupillary Distance, which is the distance between your pupils in millimeters. PD is very important for accurately fitting your lenses to achieve visual acuity. Generally, PD numbers do not change for adults. The average PD range for adults is 55-75 mm and for kids is about 42-55 mm. A difference of 2-3 mm is acceptable. Please kindly confirm with your eye doctor on the PD, which is important for accurately fitting your lenses to achieve vision acuity. Or you can also measure it in this way https://www.firmoo.com/help-p-43.shtml to confirm. Hope this is helpful. 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 service@firmoo.com. Please stay safe and healthy! Thanks!

al filtrar la busqueda a 135mm me han aparecido este modelo pero veo en la descripción que el tamaño es de 143mm??

Dear Customer, as checked this frame S996X size is 52-18-143 (Medium), 143mm is the temple length/arm and 135mm is the total frame width from screw to screw. Kindly please click on the size chart below the frame color selection and on top of the select lenses button to see more details of the frame size. I hope this is helpful, thanks and have a nice day!

What was the papillary distance you used? I bought these for my 11 year old daughter, and I had to guess.

Dear Customer, thank you for contacting Firmoo. PD stands for Pupillary Distance, which is the distance between your pupils in millimeters. PD is very important for accurately fitting your lenses to achieve visual acuity. Generally, PD numbers do not change for adults. The average PD range for adults is 55-75 mm and for kids is about 42-55 mm. A difference of 2-3 mm is acceptable. Please kindly confirm with your eye doctor on the PD, which is important for accurately fitting your lenses to achieve vision acuity. Or you can also measure it in this way https://www.firmoo.com/help-p-43.shtml to confirm. Hope this is helpful. 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 service@firmoo.com. Please stay safe and healthy! Thanks!

al filtrar la busqueda a 135mm me han aparecido este modelo pero veo en la descripción que el tamaño es de 143mm??

Dear Customer, as checked this frame S996X size is 52-18-143 (Medium), 143mm is the temple length/arm and 135mm is the total frame width from screw to screw. Kindly please click on the size chart below the frame color selection and on top of the select lenses button to see more details of the frame size. I hope this is helpful, thanks and have a nice day!