Distance Ruler Buy - Pupillary

: If you're prone to losing small items, Walmart offers a multi-pack of straight-edge white rulers. Ezyaid PD Ruler

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

: For a simple, no-frills option, Hummingbird Hues Vision sells individual rulers and rulers with occluders. 4 Pcs Pupillary Distance Rulers : If you're prone to losing small items,

: Available on eBay, this version features a nose bridge design and includes eye care tips for children. What to Look for in a PD Ruler

: Since most of us aren't trained ocular technicians, having a visual guide is invaluable. Where to Buy