第一部分人眼调节机制的研究进展一、概述众所周知,人之所以能够对远近距离不同的物体作出分辨,全赖于眼睛与生俱来的调节能力。但随着人由青年转入中老年阶段,其远视力虽然变化不大,但视近物却越来越困难。这一现象显示中老年人的眼调节机能出现了生理性的衰退变化。关于眼的 The first part of the research progress of human regulation of the eye I. Overview As we all know, people have been able to distinguish between objects far and near to distinguish, depends on the innate ability to regulate the eyes. However, as people move from youth to middle-aged people, the distance vision has not changed much, but it is more and more difficult to see things as close as possible. This phenomenon shows that there is a physiological decline in eye regulation in the elderly. About the eye