Buying multifocal (progressive) glasses online is entirely possible and often more affordable, provided you have a valid prescription with an and a precise Pupillary Distance (PD) measurement. While it offers convenience and savings, it requires extra care because multifocal lenses have multiple "zones" for distance, intermediate, and near vision that must align perfectly with your pupils. Essential Requirements for Your Order
: Look for frames with a minimum lens height (the "B" measurement) of 28–30 mm . If a frame is too shallow, the reading zone may be cut off, making the glasses unusable. how to read your glasses prescription - LensCrafters buy multifocal glasses online
: This measures where the progressive part of the lens starts relative to the frame. Many retailers use a standard "average," but some now offer AI face scans or webcam tools to measure this for a custom fit. If a frame is too shallow, the reading