Objective To observe the changes of the high order aberration(HOA)after nearwork in school-age children,and to evaluate the relationship between the change of HOA and the development of myopia.

• 目的观察学龄期近视患者近距离阅读后高阶像差的变化,并结合近视屈光度的随访研究,探讨阅读后高阶像差的变化与近视发展的关系。