目的了解中小学生近视状况，为防治学生近视提供依据。
Objective to investigate the status of nearsightedness in elementary and middle school students, and to provide the evidence for preventing students' nearsightedness.
他以一份调查某市小学生近视眼状况及影响因素分析的报告为例，考察了面临的问题并结合数据来源考虑了合规问题。
His analysis with a survey in a city of myopia and its influencing factors of the report as an example, examines the problems with data sources consider compliance issues.
目的了解近视患者接受准分子激光手术前的心理健康状况，为手术筛选提供心理学方面的依据。
Objective to study the states of mental health of the myopic patients before excimer laser surgery, assist to screen patients who have psychological problems.
目的了解渭南市小学生近视患病状况及其主要危险因素，为预防小学生近视提供依据。
OBJECTIVE to investigate pupils myopia rate and major risk factors in Weinan, and provide the basis to prevent pupils myopia as earlier as possible.
目的了解渭南市小学生近视患病状况及其主要危险因素，为预防小学生近视提供依据。
OBJECTIVE to investigate pupils myopia rate and major risk factors in Weinan, and provide the basis to prevent pupils myopia as earlier as possible.
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