: Use the Zenni Virtual PD Tool which uses your webcam and a standard magnetic card (like a credit card) for scale.
Buying glasses from is a popular way to get affordable prescription eyewear starting as low as $6.95 . To ensure your order is accurate and fits well, follow this step-by-step guide. 1. Gather Your Prescription
: Zenni now requires the date of your prescription to ensure it is current. 2. Measure Your Pupillary Distance (PD)
: You can also use a millimeter ruler and a mirror. The average adult PD is between 54–74 mm. 3. Choose the Right Frame Size How to Order Glasses Online
You must have an up-to-date prescription from an eye doctor.