<正> Purpose: To study the correlation between functional and structural loss in chronic glaucoma, as detected by Freque......

老年性贫血是指老年入的血红蛋白量、红细胞数及红细胞比容低于健康老年人的正常值，但正常值一般难以界定，因为伴随年龄的增长，老年人......