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眼科工作者一贯主张用检查视力作为常规的弱视筛选方法,但一直未能实行,因为有些儿童根本不懂或反应很慢,费时太多。此外,如果标准定得太严则产生假阳性,定得太宽则出现假阴性。美国国家防盲协会(National Society to Prevent Bli-ndness)印制了一种《学龄前儿童家用视
Ophthalmologists have consistently advocated the use of visual acuity as a routine screening method for amblyopia, but have not been able to do so because some children simply do not understand or respond slowly and take too much time. In addition, false positives are produced if the standard is set too high and false negatives are set too wide. The National Association for Prevent Blindness has produced a "Preschool Children’s Home Use