随着年龄增加,人体会自然出现衰老变化,比如白发、发胖、尿频等。哈佛大学医学院老年病学副教授肯尼思·米纳克博士表示,衰老其实是一个“救命”过程,接受正常的衰老对身体有益。但是,美国衰老研究所副所长玛丽伯纳博士指出,衰老是一个微妙、安静的过程,如果身体突然发生变化或感觉疼痛,就应提高警惕。视力正常衰老:40岁开始,老花眼就会出现,多数人需要借助老花镜阅读。这个过程比较缓慢,不会出现突然视物模糊的 With age, the human body will naturally appear aging changes, such as white hair, fat, frequent urination and so on. Kenneth Mynak, an associate professor of gerontology at Harvard Medical School, said aging is actually a “life-saving” process, and normal aging is good for the body. However, Dr. Mary Burner, deputy director of the Institute of Aging, pointed out that aging is a delicate and quiet process and should be vigilant if the body suddenly changes or feels pain. Normal vision aging: 40 years old, presbyopia will appear, most people need to read with reading glasses. This process is relatively slow, there will be no sudden blurred vision