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1 对象与方法随机抽取黑龙江省2市(大庆市、伊春市),8县(绥化、安达、望奎、杜蒙、泰来、富锦、爱辉、海林)镇、乡、村及幼儿园3～7周岁儿童共10551人,其中男5656人,女4895人。所有儿童均用国际标准视力表检查视力,凡视力≤0.8者用1％阿托品眼膏散瞳验光,矫正视力<0.8者,眼球无器质性病变者,诊断为弱视,并根据矫正视力分为轻、中、重3组。在受检的10551名儿童中有9912名儿童用同视机检查了有无同时视及立体视。所有的儿童均由培训过的医师作外眼检查,用角膜映光法,遮盖法检查眼位,并同时检查眼球运动,凡矫正视力低于正常及眼位异常者,均由眼科专业医师散瞳检查屈光间质及眼底,最后确定诊断。
1 Subjects and Methods Subjects were randomly selected from 2 towns (Daqing and Yichun) and 8 towns (towns, villages and villages) in Suihua, Anda, Wangkui, Dumont, Tailai, Fujin, Aihui and Hailin A total of 10551 children aged 3 to 7 years old, of which 5656 were men and 4895 were women. All children with visual acuity chart to check the visual acuity of the world, where visual acuity ≤ 0.8 were treated with 1% atropine eyeglasses mydriasis optometry, corrected visual acuity <0.8 were no organic disease of the eye, diagnosed as amblyopia, and according to the corrected visual acuity were divided into Light, medium and heavy 3 groups. Of the 10551 children examined, 9912 children checked the presence of simultaneous astigmatism and stereoscopy on the same plane. All children were examined by a trained physician for an external eye. Corneal illumination and opacification were used to examine the eye position and eye movements were also examined. All patients with a corrected visual acuity of less than normal and abnormal eye position were evaluated by an ophthalmologist Hitomi examination of refractive media and fundus, the final diagnosis.