article_snippet.sent: In China, students have been mandated by China education ministry to perform daily eye exercises.
article_snippet.sent: Since 1963, rows of students sit at rows of students desks and massage the pressure points around rows of students eyes as a revolutionary-era anthem blares through the PA system.
article_snippet.sent: and it's the only country in the world that does eye exercises, so
article_snippet.sent: Their effectiveness has been doubted by experts in China, but the exercises remain a part of the students' daily experience.
article_snippet.sent: Hundreds of students attend this unusual  elementary school in Guangdong province.
article_snippet.sent: In one Taiwanese study, teachers locked the students out of the classroom during recess and lunch time.