EyeCheck
Vision, Color Blind & Astigmatism Tests

With both eyes open you rarely notice that one eye has slipped — the good eye covers for it. EyeCheck tests and records the left and right eye separately. Each test takes one to two minutes, and the history tells you whether something changed since last month.

👁️ Key features

Clinical test formats, adapted to a phone screen. Not a one-off reading — a per-eye history you can read as a trend.

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Four acuity optotypes

Landolt C, tumbling E, letters, and a children's picture chart. Smaller when you're right, larger when you're wrong — accurate in fewer trials.

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Color vision testing

Dot plates with freshly generated numbers, so they can't be memorised. A D-15 hue test works out whether red, green or blue confusions dominate.

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Astigmatism and more

Astigmatism, contrast sensitivity, glare, Amsler grid, duochrome red-green, peripheral vision, smooth pursuit — or a full course in one sitting.

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Screen size calibration

Hold a credit card to the screen once and optotypes are drawn at true size, so results mean the same thing on any device.

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Distance & voice guidance

The front camera reports how far you are from the screen, and volume-key answers let you test from 2 m away without touching the phone.

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Per-eye history

Left and right stored separately and compared on a trend graph. Family profiles keep children's and adults' records apart.

✅ What's good about it

👍 Who it's for

How-to guides

See all guides →

🔒 Camera frames are used on-device and discarded

Every test works without internet. Camera frames are analysed on the device and thrown away immediately — never stored, never transmitted. No account, no server: records stay on your own phone.

⚠️ Please read

EyeCheck is not a medical device and does not diagnose any condition. Results vary with screen size, brightness, distance, lighting and eyewear. If vision suddenly blurs, lines look bent, or part of your field goes missing, see an eye doctor regardless of what the app says.

This app does not replace a clinic. It helps you notice when it is time to visit one.

Test each eye on its own 👁️

One to two minutes per test. The history is what tells you something changed.

📲 Get it on Google Play