Schools across China have installed metal bars on classroom desks to prevent short-sightedness in pupils, it has been revealed.
The bars, which resemble supports on a roller-coaster, are designed to force students to sit the correct distance from their work and avoid squinting, the Daily Star reported.
Children can rest their chins when reading or can push the bars forward to support books on their desks.
The scheme is currently limited to 19 primary schools in the city of Wuhan in eastern China, and is being funded by the City Teen Anti-Myopia Office.
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