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种种遗传性视网膜色素变性病人的视力丧失,虽然以往作者进行过一般性讨论,尚无可指的记载,本文提供了这些病人随年龄视力丧失发生率的专一材料。
Although vision loss in a variety of patients with inherited retinitis pigmentosa has no general record of the general discussion of previous authors, this article provides specific materials on the incidence of these patients with age-related loss of vision.