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本研究测定了４０只弱视眼戴用黄色和红色滤光镜前后的对比敏感度的变化，发现黄色和红色滤光镜能明显提高弱视眼在各个空间频率的对比敏感度，尤其在低频和中频时。分析并阐述了滤光镜作为一种非光学性助视器提高低视力、弱视患者对比敏感度的可能性与机理。
This study measured the changes of contrast sensitivity in 40 amblyopic eyes before and after wearing yellow and red filters and found that the yellow and red filters significantly improve the contrast sensitivity of the amblyopic eyes at various spatial frequencies, Time. The possibility and mechanism of using filter as a non-optical assistant to improve the contrast sensitivity of patients with low vision and amblyopia were analyzed and described.