Vision Lab
A calibration-based vision lab for approximate distance vision self-tests, with history tracking, custom test conditions, and comparison over time.
Best Eyesight
Tools and research for better vision.
Best Eyesight builds tools for vision self-testing, habit tracking, and research into what everyday behaviors actually do to the eyes.
Open Vision Lab Explore toolsTools
⭐ Stimulus
A Windows desktop overlay that displays gentle animated stars across the screen. Based on research about temporal contrast and peripheral stimulation for eye health.
Learn more →Piano score viewer
A fullscreen HTML tool that displays piano sheet music on a TV — further away from the eyes, with inverted colors and an adjustable layout.
Files are not uploaded — everything stays in the browser.
Fixed layout versions
Simpler versions of the piano score viewer without a position menu.
- Bottom version — score aligned to the bottom.
- Middle version — score centred vertically.
- Top version — score aligned near the top.
Experiments
I document individual days: what I do with my eyes, how long I use screens, how much distance I keep — and I measure my axial eye length in the morning.
Day log — short 1
Day log — short 2
Day log — short 3
Day log — short 4
Longer experiment video
Experiment logs
- Narrow-Band Red Light Setup — Unexpected Eye Length Result
- Can Narrow-Band Red Light Help Reduce Myopia? (3-Day Results)
All experiments on YouTube: Best Eyesight channel →
Pricing
The vision test is free. History tracking, comparisons, and the Stimulus app are included with a subscription.
Free
$0
forever
- Vision test
- Near-far protocol
- Dynamic focus protocol
- Screen calibration
Monthly
$4.99
per month
- Everything in Free
- History and progress tracking
- Tags and comparison tools
- Stimulus desktop app
Save 17%
Yearly
$49.99
per year
- Everything in Free
- History and progress tracking
- Tags and comparison tools
- Stimulus desktop app
Display
Research suggests that inverted contrast (light text on dark background) may be protective against myopia. This website follows the system color scheme by default, but dark mode can also be set manually.
Theme: