# Eye Trainer

A free browser tool for visual tracking practice. No account, no install, no paid plan.

Eye Trainer is useful for people who want a simple place to practice visual tracking in the browser. It is not a medical device and does not claim to treat or diagnose vision problems.

## Main page
- App: https://eye-trainer.app/
- Guide: https://eye-trainer.app/guide/
- Pricing: https://eye-trainer.app/pricing.md
- Privacy: https://eye-trainer.app/privacy/
- Terms: https://eye-trainer.app/terms/
- Source code: https://github.com/Jesper-N/eye-trainer

## Direct app routes
- Random: https://eye-trainer.app/random/
- Circle: https://eye-trainer.app/circle/
- Ellipse: https://eye-trainer.app/ellipse/
- Figure eight: https://eye-trainer.app/figure-eight/
- Wave: https://eye-trainer.app/wave/
- Diagonal: https://eye-trainer.app/diagonal/
- Bounce: https://eye-trainer.app/bounce/
- Hard turns: https://eye-trainer.app/hard-turns/
- Horizontal sweep: https://eye-trainer.app/horizontal-sweep/
- Vertical sweep: https://eye-trainer.app/vertical-sweep/
- Edge loop: https://eye-trainer.app/edge-loop/
- Diamond loop: https://eye-trainer.app/diamond-loop/
- Opening spiral: https://eye-trainer.app/opening-spiral/
- Clover: https://eye-trainer.app/clover/
- Zigzag: https://eye-trainer.app/zigzag/
- Stair steps: https://eye-trainer.app/stair-steps/
- Lissajous: https://eye-trainer.app/lissajous/
- Hourglass: https://eye-trainer.app/hourglass/
- Shifting orbit: https://eye-trainer.app/shifting-orbit/
- Corner tour: https://eye-trainer.app/corner-tour/
- Reaction jumps: https://eye-trainer.app/reaction-jumps/
- Multiple Distractions: https://eye-trainer.app/multiple-distractions/

## What the tool includes
- Smooth Pursuit: Follow one moving marker with your eyes while keeping your head still.
- Reaction jumps: Watch for a marker that changes position, then refocus on it cleanly.
- Multiple Distractions: Keep attention on the target while distractors cross the same space.
- Controls for speed, target size, target shape, color, opacity, trail, distractor count, viewing distance, and screen scale.
- Settings stay on the current device with localStorage.

## Good query matches
- free eye tracking trainer
- smooth pursuit practice
- visual tracking exercise
- reaction time trainer
- multiple object tracking trainer
- peripheral vision practice
- browser eye trainer

## Safety note
This is practice software, not medical care. Stop if you feel eye strain, dizziness, headache, nausea, or any other discomfort.

## Background reading
- Visual guidance of smooth pursuit eye movements: https://pmc.ncbi.nlm.nih.gov/articles/PMC2887486/
- Visual learning in multiple-object tracking: https://pmc.ncbi.nlm.nih.gov/articles/PMC2375111/