“山不在高，有仙则名；水不在深，有龙则灵”。在古城西安，一个在改革开放中诞生的规模不大的电子仪器厂，几年间生产出几十万台治疗和预防儿童弱视、斜视等眼科疾患的“增视仪”，行销２０多个省、市、自治区和１０多个国家、地区，经全国上千家医院的眼科医师临床应用证实 “The mountain is not high, but the fairy is the name; the water is not deep, and the dragon is the spirit.” In the ancient city of Xi’an, a small-scale electronic instrument factory that was born in reform and opening up has produced hundreds of thousands of visual inspection devices for the treatment and prevention of eye diseases such as amblyopia and strabismus in children, and has sold more than 20 provinces. City, autonomous region and more than 10 countries, regions, confirmed by clinical application of ophthalmologists in thousands of hospitals across the country