Scientists in Canada found one beer a day reduced the risk of cataracts – a major cause of blindness in old age.
加拿大的科学家发现每天喝一杯啤酒可以降低得白内障——造成老年失明的主要原因——的风险。
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。
Retinitis pigmentosa and age-related macular degeneration (AMD) are the most common causes of blindness in old age, and involve the gradual and normally irreversible destruction of retinal cells.
色索性视网膜炎以及与年龄有关的黄斑变性（AMD）是老年最普遍的失明原因，并且与视网膜细胞逐渐的和正常的不可逆损坏有关联。
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