1、何谓“拥挤现象”? 答:弱视眼的体征之一是对单个字体的识别能力比对同样大小但排列成行的字体识别能力要高得多,这个现象叫“拥挤现象”。Hilton((1972))发现弱视患儿对单个字体的视力可能正常或接近正常,只有用排列成行的字体检查,才能发现弱视,因此用单个字体的检查结果不能反映弱视的真实情况。 2、后天形成的远、近视眼产生的主 1, What is a “crowded phenomenon”? A: One of the signs of amblyopia is that the ability to recognize a single font is much higher than that of a font of the same size but in a row, a phenomenon called “crowding.” Hilton (1972) found that children with amblyopia may have normal or near-normal visual acuity for a single font, and that amblyopia can only be detected with an arranged font check, so a single font test does not reflect the true condition of amblyopia. 2, the formation of acquired, myopia produced by the Lord