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郑州市地处中原，是我国铁路交通枢纽。近几年来各地眼镜经销商涌入郑州市场。为了解我市眼镜卫生质量现状，加大对郑州市眼镜市场的监督管理力度，我们从1995年开始对郑州市内眼镜店进行了调查，现将1996、1997、1998三年的调查结果报道如下。1对象与方法1．1对象：郑州市区内
Zhengzhou City is located in the Central Plains, China’s railway transport hub. In recent years, optical distributors around the influx of Zhengzhou market. In order to understand the status of our city glasses health quality, increase the supervision and management of the optical market in Zhengzhou City, we started from 1995 to the city of Zhengzhou optical shop survey, now 1996,1997,1998 three years of the survey results are reported below . 1 objects and methods 1.1 object: Zhengzhou city