Pupillary Distance Ruler Buy Online

You can find PD rulers for as little as $1 to $18, depending on the material and included guides. PD Ruler with Instruction Manual

Measuring your PD is the final step in translating a paper prescription into a functional pair of glasses. If the measurement is off, the "optical center" of the lenses won't align with your eyes, leading to headaches, blurred vision, or eye strain. What to Look for in a PD Ruler pupillary distance ruler buy

: Since most of us aren't trained ocular technicians, having a visual guide is invaluable. Where to Buy You can find PD rulers for as little