Acrylic

3.5" (88 mm) diameter.
Bifocal inset 0.84" (20 mm) diameter.

Standard shipping is free via USPS First Class Parcel Service. Delivery takes approximately 3-5 days. Expedited shipping is available via USPS Priority Mail for a flat rate of $25.00, taking approximately 2-3 days.

Returns and exchanges should be sent to:
Optego Vision
Attn: Returns
3391 E. Hemisphere Loop
Tucson AZ 85706
Please include a copy of your packing slip or a note with your name, address and phone number so we can find your account in our system.