Show 1.5s
Size 75px
Contrast
100.0%
Double-click for fullscreen · Space to pause · Press arrow keys for gap direction
⚠ This tool is for recreational eye exercise, not a medical device. Consult a professional if you have eye conditions.
⏸ PAUSED
DblClick: fullscreen | Space: pause | Arrows: gap dir | Shift/Ctrl: show time | A/D: size | +/- vol | Esc: exit
00:00
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