v1
Vernier Acuity
Say which way the top line is shifted as the shift gets smaller. Measures detail finer than 20/20 vision.

No attempts yet — play to set your first score, then challenge a friend to beat it.
↵ to start · Esc to exit
Say which way the top line is shifted as the shift gets smaller. Measures detail finer than 20/20 vision.

No attempts yet — play to set your first score, then challenge a friend to beat it.
↵ to start · Esc to exit