off-normal是什么意思

用法例句

Prevalence of refractive error in defined populations in rural and urban areas in Beijing;

北京城乡限定区域人群屈光不正患病率调查

Residual refractive error in the range of±0.

结论:LASIK手术对于矫正屈光不正是安全、有效的且并发症局限。

Objective To investigate the composition of young patients refractive error in Guangdong province,especially the composition of myopia.

目的了解来院就诊的广东地区青少年屈光不正的构成情况,并探讨来院人群与同时期社区人群抽样调查结果的异同。

Simulation and correction experiment on eye ametropia——determination of focal distance(focal power) of thin lenses;

眼睛屈光不正的模拟与矫正实验——薄透镜焦距(光焦度)的测定

Laser in situ Keratomileusis for Treatment of Ametropia after Cataract Extraction and Intraocular Lens Implantation;

准分子激光原位角膜磨镶术矫治白内障人工晶体植入术后残存屈光不正的效果

VDT regards weary and the ametropia;

视屏显示终端与视疲劳及屈光不正