| 摘要 |
PROBLEM TO BE SOLVED: To provide a massage device capable of more and more improving asthenopia or visual acuity reduction. SOLUTION: The massage device 1 is provided with a massage device main body 2 being mounted on a head to providing mechanical vibrations and/or electrical stimulus to the head, and a display device 3 constituted in order to display a screen for changing brain waves of a user to α-waves (i.e., light flickering and moving on the screen). |
