广东省30年盲目情况变化

Changing prevalence of blindness in 30 years in Guangdong Province

After 30 years of efforts for the prevention and treatment of blindness, the prevalence of blindness in Guangdong Province decreased from 0.64% of the 60's, 0.62% of the 70's, to 0.35% of the 80's. The prevalence of blindness was found to rise with age, i.e. 38.60% in people over 50 years and 34.40% in people under 20 years in the 60's. The figures became 78.02% and 12.74% respectively in the 80's, and always higher in women than in men. The leading cause of blindness was cataract, representing 36.00% of the blind in the 60's, 41.18% in the 70's, and 63.05% in the 80's. The authors that treatment of cataract was important for reducing the prevalence of blindness, while glaucoma, infectious diseases and trachoma should also not be overlooked.