EyeTest Online is a free, anonymous web-based platform that provides a collection of self-administered vision screening tests, including visual acuity, color blindness, and astigmatism checks.
What is EyeTest Online?
EyeTest Online is a free vision screening tool accessible through any web browser. It takes user responses to visual stimuli (e.g., reading letters, identifying numbers in Ishihara plates) displayed on a screen and produces a reference result indicating possible vision issues. The platform runs on mobile and desktop devices and is created by the team at eyetestonline.org. It is not a diagnostic tool and does not replace professional eye exams.
Key Features
- Free and anonymous — No sign-up or payment required; no personal data collected.
- Seven screening tests — Includes visual acuity, color blindness (Ishihara-style), contrast sensitivity, visual field, astigmatism (radial line chart), Amsler grid, and eye teaming (convergence).
- Works on any device — Optimized for both mobile and desktop screens.
- Quick results — Most tests complete in under 5 minutes with immediate feedback.
- Based on clinical methods — Tests follow established screening principles (e.g., Snellen-like letters for acuity, Ishihara plates for color).
- No downloads — Entirely browser-based; nothing to install.
Who is it for?
- Adults without recent eye exams — Use it as a preliminary check before scheduling a professional appointment.
- Parents — Supervise children for early signs of vision problems.
- People with limited access to eye care — Quick screenings when in-person visits are difficult.
- Anyone curious about their vision — Self-assess for common conditions like astigmatism or color blindness.
What can you do with EyeTest Online?
- Screen for astigmatism: Use the radial line chart test on each eye separately, following distance guidelines.
- Check color vision: Take the Ishihara-style color blindness test to identify potential deficiencies.
- Evaluate contrast sensitivity: Assess ability to distinguish subtle differences between light and dark patterns.
- Monitor central vision: Use the Amsler grid to detect wavy lines or missing areas.
How does EyeTest Online work?
- Choose a test from the available options.
- Follow on-screen instructions: maintain the recommended distance (e.g., arm's length for some tests), avoid glare, and wear corrective lenses if you use them.
- Answer by selecting or tapping the correct response. Results are displayed immediately as a screening reference.
FAQ
Is EyeTest Online reliable?
It can flag possible issues, but accuracy depends on screen quality, lighting, and distance. It cannot diagnose conditions or replace a professional eye exam.
When should I see an eye doctor?
If results differ strongly between eyes, vision remains blurry after rest, or you experience pain, sudden changes, or new floaters.
Yes. Wear your usual correction to assess daily vision accurately.
Can children use the test?
Yes, with adult supervision. But children need professional checks if any signs of visual difficulty appear.
