Check the inside arm of your current favorite glasses. You’ll see three numbers (e.g., 52-18-140). These represent the . Matching these numbers when you shop online ensures your new "budget" frames actually fit your face comfortably. 3. Use the "Virtual Try-On"
Buying glasses online is a low-risk, high-reward move. Start with a site like Zenni or EyeBuyDirect for a basic pair to test the waters. Once you see the quality, you’ll likely never go back to the $400 boutique frames again. buy cheap frames online
Ensure it’s up to date (usually within the last year or two). Check the inside arm of your current favorite glasses
This is the distance between your pupils in millimeters. It tells the lab where to align the optical center of your lenses. If your doctor didn't write it down, most online shops have a simple digital tool or a printable ruler to help you measure it yourself. 2. Decode the Frame Measurements Matching these numbers when you shop online ensures
This is where cheap glasses become expensive. Anti-reflective and anti-scratch coatings are usually worth the extra $5–$10. However, unless you have a very high prescription, you can often skip the "high-index" ultra-thin lenses. Also, think twice about blue-light blockers—many experts suggest they aren't strictly necessary for everyone. The Bottom Line