It is common for people to experience dual sensory impairment or deaf-blindness in their old age and the researchers suspect the underlying causes for these sensory impairments may be the same.
老人们发生双重的感觉障碍或者聋盲同存的情况很是常见，因此研究人员推测在这些感觉损害的背后，真正病因可能是同一个。
Along with a slow developing brain, and legal blindness, it was also determined that she was legally deaf in her right ear.
她大脑发育缓慢，左眼失明，右耳失聪也已确诊。
Along with a slow developing brain, and legal blindness, it was also determined that she was legally deaf in her right ear.
她大脑发育缓慢，左眼失明，右耳失聪也已确诊。
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