目的　了解影响重庆市初中生视力因素。　方法　采用问卷法调查重庆市1 008 名初中生的家庭采光条件、书写姿势、用眼习惯、父母视力,发现近视年龄,患近视后是否坚持配戴眼镜诸因素。　结果　重庆市初中生近视发生率为49 .7 % 。不良用眼习惯,父母近视状况,近视发生年龄及患近视后未坚持配戴眼镜对初中生视力影响有显著性意义。　结论　为提高青少年视觉健康,作者提出了预防近视,防止视力进一步下降的措施 Objective To understand the visual factors affecting junior high school students in Chongqing. Methods A questionnaire survey was conducted to investigate the family lighting conditions, writing posture, eye habits, parents’ eyesight, the age of myopia, and the factors that insist on wearing glasses after suffering from myopia in 1008 in junior high school. Results The incidence of myopia in junior high school students in Chongqing was 49.7%. Poor eye habits, myopia status of parents, the occurrence of myopia and myopia did not insist on wearing glasses on visual acuity of junior high school students have significant significance. Conclusion To improve the visual health of adolescents, the author put forward measures to prevent myopia and prevent further decline of visual acuity