To understand the eyesight status of preschool children and its influencing factors in Bao an district Shenzhen city.
了解深圳市宝安区学龄前儿童的视力状况,探讨其影响因素。
Objective To investigate the systemic states and the eyesight recovery 'operation complication status of old patients before and after operations.
目的观察高龄白内障患者术前全身疾病以及术后视力、术后并发症等情况。