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iPhone Remote

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Viewing Distance

Measure from the patient's eyes to this screen. Sizes are only accurate when both the calibration and the distance are correct.

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My Call Bag — Eyecare Tools

This eye chart and its tests are provided for educational and professional screening purposes only. This website is not a medical device, and it is not a substitute for a comprehensive eye examination or for diagnosis and treatment by a qualified eye care professional.

On-screen sizes are only accurate when the screen calibration and viewing distance are set correctly. If you have any concerns about your vision, see an eye care professional.

iPhone Remote — My Call Bag App

Scan with your iPhone's camera. The My Call Bag app opens with a full remote for this screen; if it isn't installed, you'll be prompted to download it.

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The remote is part of My Call Bag — an ophthalmology toolkit for iPhone. The eye chart remote is free, and the app also includes premium tools like:

Slit-lamp & fundus photography with camera-adapter guides
A smart lensometer — read glasses prescriptions with the camera
Visual field screening on a computer monitor
Surgical simulators, calculators & dictation templates
Apple Watch and Apple TV support

…and much more.

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Designed for Larger Screens

An accurate eye chart needs a large screen at a set viewing distance — this page is built for desktop and laptop computers.

On iPhone, get the My Call Bag app instead — it includes a free near vision card, plus premium eye care tools: optimized eye charts, color plates, a full chart remote, and more.

Get the My Call Bag App

Free Online Eye Chart — Snellen Visual Acuity TestThis free eye chart runs in your web browser and requires JavaScript. It shows calibrated Snellen letters, numbers, HOTV, Allen figures, tumbling E, pediatric symbols and Landolt C optotypes at accurate physical sizes for any viewing distance, plus color vision plates, an astigmatism dial, duochrome, contrast sensitivity, Worth 4 dot, OKN drum, Teller acuity and Schober tests. Control it with the keyboard or scan the QR code with your phone to use it as a remote. An Amsler grid is built in, one click from the toolbar. Provided free by My Call Bag, the app for eye doctors, and brought to you by Pensacola's best cataract surgeons at UllmanEye.com.