降低单眼亮度增加成人单眼时间同步阈值/使用屏幕设备对7-11岁儿童近视的影响：一项多中心实验研究Reduced Monocular Luminance Increases Monocular Temporal Synchrony Threshold in Human Adults / Influence of Screen Devices using on Myopia in Children aged 7-11 years: a Multi-center Experimental Study余茜温州医科大学附属眼视光医院