A Population-based Study of Visual Impairment Among Pre-school Children in Beijing: The Beijing Study of Visual Impairment in Children

• Published in: American journal of ophthalmology Vol. 147; no. 6; pp. 1075 - 1081
• Main Authors: Lu, Qing, Zheng, Yuanyuan, Sun, Baochen, Cui, Tongtong, Congdon, Nathan, Hu, Ailian, Chen, Jianhua, Shi, Jiliang
• Format: Journal Article
• Language: English
• Published: New York, NY Elsevier Inc 01.06.2009; Elsevier; Elsevier Limited
• Subjects: Age; Biological and medical sciences; Blindness; Child; Child, Preschool; Children & youth; China - epidemiology; Eye Diseases, Hereditary - epidemiology; Eyes & eyesight; Female; Gender; Health Surveys; Humans; Male; Medical sciences; Miscellaneous; Myopia; Ophthalmology; Prevalence; Refractive Errors - epidemiology; Rural Population - statistics & numerical data; Schools; Urban Population - statistics & numerical data; Vision Disorders - epidemiology; Vision Tests; Visual Acuity; Visually Impaired Persons - statistics & numerical data; China; Beijing China; Human; Preschool age; Eye disease; Visual impairment; Vision disorder; Ophthalmology; Child

To evaluate the prevalence and causes of visual impairment among Chinese children aged 3 to 6 years in Beijing. Population-based prevalence survey. Presenting and pinhole visual acuity were tested using picture optotypes or, in children with pinhole vision < 6/18, a Snellen tumbling E chart. Comp...