708877774 640x360

90 seconds to learn about eyestrain and short-sighted

Eye-straining works, such as PC work, cause eye diseases. Learn how to treat your eyes in 90 seconds.
Noh english  1 90 seconds to learn about Noh - traditional art of Japan!
Densha english s 90 seconds to learn Japanese vocabulary - Theme: Train!
Syuchusen en 90 seconds to learn how to draw a concentrated linework
Eyestrain en  1 90 seconds to learn about eyestrain and short-sighted