refractive errors

The three most common refractive errors are

最常见的屈光不正有三种

Sex ratio of refractive errors in different groups showed no significant difference ( P 0.05 ) .

不同性别组屈光不正比例差异无统计学意义（P0.05）。

It can find out children eye diseases and refractive errors earlier than the traditional methods .

较常规检查能更早地发现儿童眼病及屈光异常。

Refractive errors , and the need to correct them , are extremely common all over the world .

屈光不正以及继续矫正的情况，全世界都非常常见。

Ordinary examination findings of eyes after corneal surgical treatment for refractive errors in air attendant

空中乘务员常见角膜屈光矫治术后眼科一般检查所见

Radiowave refractive errors correction methods have defect of computing complexity and no real time in common use .

一般常用电波折射误差修正方法存在计算复杂且不具有实时性缺陷。

The application of the digital photorefraction in the screening of children eye diseases and refractive errors

数码摄影验光法在儿童眼病与屈光异常普查中的应用

Interpreting the multifocal visual evoked potential : The effects of refractive errors , cataracts , and fixation errors

解释多焦视觉诱发电位在屈光不正、白内障和固视偏差中的作用

Uncorrected refractive errors ( myopia , hyperopia or astigmatism ), 43 %

未经矫正的屈光不正（近视、远视或散光），43%

The goal of this project is to provide a lowest cost refractometer that will measure refractive errors in the eye including astigmatism .

此项专题将提供一个测量眼睛屈光异常（包括散光）的低成本折射计。

Of these , 12 million children are visually impaired due to refractive errors , a condition that could be easily diagnosed and corrected .

其中，1200万儿童视力因屈光不正受损，这种病情易于诊断和矫正。

Results : The disease cause of visual fatigue were multifold , such as refractive errors , computer operating , recessive strabismus and so on .

结果：视疲劳为多种因素所致，屈光不正、操作电脑终端、隐斜视等因素最常引起症状。

However , the initial age of surgery , the range of refractive errors treated , and the residual corneal thickness of pediatric patients should be standardized .

然而，儿童屈光手术矫治起始年龄、等值球镜的矫治范围、术后角膜剩余厚度等有待规范。

Globally , uncorrected refractive errors are the main cause of visual impairment ; cataracts remain the leading cause of blindness in middle-and low-income countries .

在全球范围内，未经矫正的屈光不正是视力损害的主要原因，在中、低收入国家，白内障仍然是致盲的主要原因。

A classification for refractive errors showed that most 3 and 4 years old children were hyperopia and / or astigmatism and needed to wear glasses for vision correction .

又对屈光异常进行分类，发现3和4岁儿童大多数为远视和散光，其中绝大多数需配戴眼镜矫正视力。

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。

While the epidemiology of refractive errors and glaucoma have been well characterized , there are few population-based knowledge on diabetic retinopathy and age related macular degeneration .

亚洲人群屈光不正和青光眼的流行病学特征已经比较明确，但对糖尿病视网膜病变和年龄相关性黄斑变性等重要致盲原因的研究尚有欠缺。

The model not only can be applied to the correction of refractive errors such as myopia and astigmatism , but also can be used in wavefront guided laser refractive surgery .

模型有较强的通用性，适用于传统仅矫正屈光不正（近视、远视、散光）的光学区模型，也适用于波前像差引导的激光眼屈光手术。

Wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation . Compared to traditional refractive errors correcting , the principle and technique are quite different .

波前像差引导的准分子激光角膜屈光手术是个性化切削的主要方法，与传统的矫正屈光不正方法相比，在原理和方法上有很大不同。

In response to the increasing burden of chronic eye disease WHO is now developing policies and guidelines for diabetic retinopathy , glaucoma , age-related macular degeneration and refractive errors .

为应对慢性眼疾日益沉重的负担，世卫组织目前正在制定针对糖尿病性视网膜病变、青光眼、年龄相关性黄斑变性和屈光不正的政策和准则。

Methods A 1:1 matched case-control studies were performed in 102 cases with children 's refractive errors and amblyopia in Jinzhou . The main risk factors were screened out with conditional logistic regression .

方法将确诊的102例视力不良的学前儿童作为研究病例，进行1∶1配对病例对照研究，通过条件Logistic回归分析筛选出主要危险因素。

The applications of femtosecond laser include intrastromal photorefractive keratectomy , creating the pre-cut channels for intra - corneal ring segment , creating lamellar flaps for laser in situ keratomileusis , performing femtosecond lamellar keratoplasty , which represent an entirely new approach for the correction of refractive errors .

可用于角膜基质内切割、制作角膜基质环植入的切口、准分子激光原位角膜磨镶术中制作角膜瓣、完成飞秒激光角膜磨镶术，是一种全新的屈光不正矫正方法。

In order to raise the accuracy of radars , the warship-radar generally depends on the electric-wave refractive correction of errors .

为了提高雷达精度，舰船雷达一般都进行电波折射误差修正。

The exact measurement of keratometry and anterior chamber depth are of major importance for the implantation of intraocular lens ( IOL ) in refractive surgery and the research of refractive errors .

准确测量角膜曲率和前房深度对于屈光手术中人工晶体屈光度的计算以及屈光不正的研究有着重要的意义。

Corneal refractive surgery by changing the corneal refractive power to achieve the purpose of correcting refractive errors . It is welcomed among people because the surgery is convenient and the curative effect is remarkable .

角膜屈光手术通过改变角膜的屈光力来达到矫正屈光不正的目的，由于手术方便、疗效显著，且不需要佩戴眼镜，因此受到人们普遍欢迎。

The excimer laser has shown a rapid development from the laboratory to its current clinical use for refractive surgery . Operating at 193 nanometers , the excimer laser is able to sculpt the corneal surface meticulously , altering the surface optical architecture to correct refractive errors .

准分子激光在屈光手术中获得了迅速发展，193nm的准分子激光刻蚀角膜表面，改变角膜表面的光学结构从而矫正屈光不正，而且由于其微小的力学和热效应，不会损伤邻近组织。