视力全失的民族在墨西哥的西马德雷山区的原始森林里,隐居着一个瞎子民族,林中居住的300多人全是瞎子。科学家发现,这些人并非天生就是瞎子,而是由于一种奇特的线虫通过苍蝇做媒介,进入婴儿血液,在眼球中大量孳生,破坏视 The visually impaired nation secures a blind nation in the virgin forest of the Sierra Madre Mountains in Mexico, where more than 300 people live in the forest, all blind. Scientists found that these people are not born blind, but because of a strange nematode through the flies as a medium, into the baby’s blood, a large number of breeding in the eye, the destruction of the visual