12-19-2008, 12:16 PM
That last place has an option for "Prescription Strength" on the bottom where you can add extra strength to your prescription. What does that mean, anyone?
http://www.zennioptical.com/cart/product...ductid=745&cat=24&page=1
http://www.zennioptical.com/cart/product...ductid=745&cat=24&page=1