Refractive errors cannot be prevented, but they can be diagnosed by an eye examination and treated with corrective glasses, contact lenses or refractive surgery.
屈光不正无法预防，但可通过验光作出诊断，并可选择眼镜、隐形眼镜或手术加以矫正。
Methods Infrared and vernier means were used in the examination of dark focus. The stability, relationship between dark focus and refractive error were studied.
方法：主要用激光散斑法和游标法进行暗焦点检查，并在与屈光不正的关系及仪器的稳定性进行了应用研究。
Methods Infrared and vernier means were used in the examination of dark focus. The stability, relationship between dark focus and refractive error were studied.
方法：主要用激光散斑法和游标法进行暗焦点检查，并在与屈光不正的关系及仪器的稳定性进行了应用研究。
应用推荐