美国威斯康星大学医学和公共卫生学院的研究者发现,经常锻炼有助于保护视力。在这项研究中,视觉受损被定义为由于疾病或外伤所导致的视力丧失,它无法通过佩戴框架眼镜或隐形眼镜得以矫正。研究人员选取了近5000名年龄在43~84岁之间的成年人,对他们进行了为期20年的追踪随访调查。结果显示,在控制了年龄因素之后,与久坐的人相比,每周锻炼三次或以上的人视觉受损的可能性下降了58%。此外,视 Researchers at the University of Wisconsin School of Medicine and Public Health found that regular exercise helps protect eyesight. In this study, visual impairment was defined as loss of vision due to disease or trauma and was not corrected by wearing spectacles or contact lenses. Researchers selected nearly 5,000 adults between the ages of 43 and 84 for a 20-year follow-up survey. The results showed a 58% reduction in the likelihood of visual impairment in people exercising three or more weeks per week after controlling for age compared with sedentary people. In addition, depending on