Methods: Using questionnaire and masks , we do some survey during our prevention of blindness projects.

方法: 在防盲项目实施过程中采用问卷法调查.

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Objective To inquire about the methods of developing primary eye care ( PEC ) and prevention of blindness.

目的探讨初级眼保健网络与防盲治盲工作的方法.

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To create national advanced county and city is the motive force of developing prevention of blindness.

创建防盲先进县、市是开展防盲治盲工作的动力.

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