Chinese students have their eyesight tested with temporary lenses by an optician. Photo: Reuters
Chinese students have their eyesight tested with temporary lenses by an optician. Photo: Reuters

Children from China's wealthier families pay price of poorer eyesight

Chinese students have their eyesight tested with temporary lenses by an optician. Photo: Reuters
Chinese students have their eyesight tested with temporary lenses by an optician. Photo: Reuters
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