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近来许多报刊登载了邮购小孔眼镜的广告。获专利和奖励的小孔眼镜由眼科专家孙树成先生发明的。它的每块黑色“镜片”鼻侧横排有三个小孔,在每天的学习和工作中只要戴2～3小时,便可防治近视,对青少年的中轻度近视尤为有效。光学小孔眼镜为什么能治疗近视呢?首先分析一下眼的调节情况,其中主要是晶状体的调节和瞳孔的调节。晶状体的曲度增大或减小是通过睫状体的收缩或舒张实现的,瞳孔的散大或缩小分别是由虹膜内的辐射状散瞳肌或环形的括约肌收缩
Recently, many newspapers published mail order pinhole glasses ads. The patented and rewarded hole glasses were invented by eye doctor Sun Shucheng. Each of its black “lenses” on the nose side of the transverse three holes, as long as the daily study and work wear 2 to 3 hours, you can control myopia, mild to mild myopia in young people is particularly effective. Why optical eyeglasses treatment of myopia? First of all look at the regulation of the eye, which is mainly the regulation of the lens and pupil adjustment. Curvature of the lens increases or decreases through the ciliary body contraction or relaxation achieved pupil dilated or reduced by the iris within the radial mydriatic muscle or annular sphincter contraction