大足县学生视力状况及影响因素分析

目的：了解大足县中小学生视力现状及影响因素，为防治近视工作提供科学依据，方法：对1999年大足县中小学生视力低下进行分析，并采用逐步回归法分析影响视力低下的主要因素，结果：学生视力低下率为44．43％，男生视力低下率显著高于女生；城镇学生视力低下率显著高于乡村学生；中学生视力低下率显著高于小学生；青春期是视力低下增长最快的时期，性别，年龄，城乡，身高，50米跑，Quetlet指数，Kaup指数和Rohrer批数对学生视力影响均有显著性意义，结论：视力低下的防治仍然是今后若干年学校卫生工作的重点。

The status quo of vision among primary and secondary school students in Dazu county and an analysis of its affecting factors

Objective: To elucidate the status quo of vision and the affecting factors and provide scientific basis for the prevention of poor eyesight in primary and secondary school students. Methods: A study was conducted on the prevalence of poor eyesight among primary and secondary school students in 1999 in Dazu County,and Stepwise Procedure was utilized to study the major factors affecting vision. Results: Rate of poor eyesight of students was 44.43%. Rate of poor eyesight of male students was higher than that of females.Urban students had poorer eyesight than rural students. Secondary school students had poorer eyesight than primary school students. A quick growth stage of poor eyesight was at puberty. Sex, age, area, height, 50 metres, Quetlet index, Kaup index and Rohrer index were major affecting factors of vision. Conclusions: The prevention and treatment of poor eyesight will still be the focal point of school health work in the coming years.