Everything You Need to Know About Buying Prescription Glasses Online

Expert-level, data-driven guides written by eyewear industry professionals. No fluff, no sales pitch — just accurate information.

7+
In-Depth Guides
50+
Rx Abbreviations
3
Countries Covered

Latest Guides

Prescription Reading

How to Read Your Eyeglass Prescription: Every Abbreviation Explained

SPH, CYL, AXIS, ADD, PD — what every number and abbreviation on your prescription means, with real examples.

Updated May 2026 · 12 min read
PD Measurement

How to Measure Your Pupillary Distance (PD) at Home: The Method Optometrists Use

Three methods to measure PD accurately, from ruler to app to online tool. Which one is reliable enough for ordering glasses?

Updated May 2026 · 8 min read
Buying Guide

Buying Prescription Glasses Online: Complete Step-by-Step Guide

From prescription to checkout — everything you need, what's legally required, and how long it actually takes.

Updated May 2026 · 10 min read
Lens Types

Single Vision vs Progressive vs Bifocal: Which Lens Type Is Right for You?

Side-by-side comparison of the three main lens types — what they do, who needs them, and how much they cost.

Updated May 2026 · 9 min read
Pricing

Online Prescription Glasses Pricing Guide: What You Actually Pay in 2026

Frame cost, lens cost, coatings, shipping — a transparent breakdown of what prescription glasses really cost online vs in-store.

Updated May 2026 · 11 min read
Legal

Can You Use an Expired Prescription to Buy Glasses Online? (Legal by State)

Prescription expiration rules differ by state. Here's the complete breakdown of what's legal, what retailers check, and what to do if yours expired.

Updated May 2026 · 7 min read
Science

Blue Light Glasses: What Science Actually Says (2026 Review)

Do blue light glasses work? We reviewed 30+ peer-reviewed studies to give you the honest answer — and it's more nuanced than you think.

Updated May 2026 · 8 min read