Train and test 'Kinetic Visual Acuity' by reading the figure on a rotating hex-head pillar that dashes out from the screen interior.
The passing speed and the rotational speed of a hex-head pillar change depending on the difficulty level.

Test Mode : Each difficulty level is executed 4 times, and the score is calculated.
Training Mode : You can arbitrarily set the difficulty level.

Visual Acuity is classified into KVA,DVA and SVA.
KVA: direction of depth
DVA: left-right
SVA: static
In 'Kinetic Vision Acuity', you can train and test both KVA and DVA.