Reading Glasses Strength Finder — A Better Way
Finding the right reading glasses strength shouldn't be this hard.
Most people buying reading glasses go through the same frustrating experience — grab a pair off the rack, hope for the best, return them when they're wrong. Even online, the tools designed to help you find your reading glasses strength are surprisingly unsophisticated.
The problem with existing reading glasses strength tests
Most online retailers offer a printed eye chart. Print it out, hold it 14 inches away, read down until it blurs. Simple enough — except that nobody controls the font. Nobody controls the print size. Nobody accounts for how far you actually hold your reading material when you read.
We examined every reading glasses strength chart from every major retailer. The methodology is inconsistent across all of them. The Jaeger chart — the clinical near vision standard — has been criticized for decades for exactly this lack of standardization. A printed chart on a home printer is not a reliable way to find your reading glasses diopter.
A better reading glasses strength test
Plus One Vision uses the Plus One Vision (POV) - Near Vision Score™, a proprietary method that measures the gap between what your eyes can do now and what you want them to do, and translates that gap into a precise lens strength. Two simple measurements — what you can actually read unaided right now and what you want to be able to read in daily life — determine your reading glasses correction.
No printing required. No font assumptions. Our online reading glasses strength test works on any device — phone, tablet, or computer — at whatever distance you naturally hold your reading material. An AI explanation then personalises the result in plain language so you understand not just the number but what it means for how you actually read.
The result isn't just a single diopter number. Plus One Vision shows you three options — a recommended strength and two adjacent options — because reading distance varies and one size rarely fits all situations perfectly.
Why multiple languages
Presbyopia — the gradual loss of near vision — affects virtually everyone over 45. But the tools to find the right reading glasses strength online have been built almost exclusively in English. We built Plus One Vision in multiple languages and growing — because everyone deserves to understand their vision needs in their own language.
Whether you need a reading glasses strength test in English, Hebrew, Spanish, French, Portuguese, Russian, Arabic, Mandarin, Hindi, Yiddish, Italian, German or Greek — Plus One Vision works for you.
Available in 13 languages — view all
Free, private, no account needed
Plus One Vision is completely free. No account, no email, no personal data collected. Take the reading glasses strength test, get your result, and shop with confidence.
Important
Plus One Vision is a self-guided recommendation tool, not a medical test. It does not replace a professional eye examination. Always consult a qualified eye care professional for medical advice. If you experience sudden vision changes, eye pain, or other symptoms — see a doctor.
But for the millions of people who just need to find the right reading glasses strength before they buy — we think we've built something genuinely better than a printed chart.