英语翻译By definition a cataract is an opacity in the lens.For practical purposes,however,the term is only applied to those opacities of the lens that impair sight.Classification and Etiology:Cataracts are classified according to the age of the i

英语翻译By definition a cataract is an opacity in the lens.For practical purposes,however,the term is only applied to those opacities of the lens that impair sight.Classification and Etiology:Cataracts are classified according to the age of the i
英语翻译
By definition a cataract is an opacity in the lens.For practical purposes,however,the term is only applied to those opacities of the lens that impair sight.
Classification and Etiology:Cataracts are classified according to the age of the individual,etiology,and the morphologic characteristics of the opacity.
The developing mechanism of cataract is unknown.Heredity is an important factor in many instances of congenital cataract,and development of traumatic cataract follows injury to the lens.Many forms of radiant energy such as infrared rays,X-rays,or radium emanation are known to cause cataract.However,little is known about the etiology in the large and important group of senile cataracts.

英语翻译By definition a cataract is an opacity in the lens.For practical purposes,however,the term is only applied to those opacities of the lens that impair sight.Classification and Etiology:Cataracts are classified according to the age of the i
从定义的角度来说,白内障是晶状体混浊.而从实用的角度来说,白内障仅仅是指损害视力的混浊体.
分类和病因：白内障根据个人年龄、病理学以及混浊体的形体特点来分类.
白内障的成因目前尚不清楚.很多先天性白内障的重要成因是遗传,也有晶状体受伤后而形成的创伤性白内障.现在已经知道,远红外线、X光射线或者镭射气等辐射能可导致白内障.但是,人们对老年性白内障人数众多并且非常突出的病因却知之甚少.

By definition a cataract is an opacity in the lens. For practical purposes, however, the term is only applied to those opacities of the lens that impair sight.
从定义上讲，（白）内障是晶状体中不透明物（浑浊物）。从实用角度出发，这一...

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By definition a cataract is an opacity in the lens. For practical purposes, however, the term is only applied to those opacities of the lens that impair sight.
从定义上讲，（白）内障是晶状体中不透明物（浑浊物）。从实用角度出发，这一术语仅指晶状体中损害视力的那部分浑浊。

Classification and Etiology: Cataracts are classified according to the age of the individual, etiology, and the morphologic characteristics of the opacity.
疾病分类与病因学：根据患者年龄、病因、浑浊物形态学特点对（白）内障分类。

The developing mechanism of cataract is unknown. Heredity is an important factor in many instances of congenital cataract, and development of traumatic cataract follows injury to the lens. Many forms of radiant energy such as infrared rays, X-rays, or radium emanation are known to cause cataract. However, little is known about the etiology in the large and important group of senile cataracts.
（白）内障发病机制尚不清楚。很多先天性内障病例中，遗传是（首）要因（素），其次是晶状体受外伤后的外伤性内障进行性加重。目前已知很多种辐射能（如红外线、X光、镭射气等）也可引发白内障。对于（患病）人群庞大、占重要地位的老年性白内障而言，其病因学却知之甚少。

术语如下——
cataract，（白）内障；opacity，不透明物、浑浊；lens，晶状体；etiology，病因学；heredity，遗传（性）；congenital，先天性，先天的；traumatic，外伤性、外伤后的；senile，老年性、老年的

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By definition a cataract is an opacity in the lens. For practical purposes, however, the term is only applied to those opacities of the lens that impair sight.
Classification and Etiology: ...

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By definition a cataract is an opacity in the lens. For practical purposes, however, the term is only applied to those opacities of the lens that impair sight.
Classification and Etiology: Cataracts are classified according to the age of the individual, etiology, and the morphologic characteristics of the opacity.
The developing mechanism of cataract is unknown. Heredity is an important factor in many instances of congenital cataract, and development of traumatic cataract follows injury to the lens. Many forms of radiant energy such as infrared rays, X-rays, or radium emanation are known to cause cataract. However, little is known about the etiology in the large and important group of senile cataracts.通过定义，白内障是晶状体混浊。实际用途，然而，这个词只适用于那些混浊的晶状体的损害视力。分类和病因：白内障的分类是根据个人的年龄，病因，和混浊的形态学特征。发展机制白内障是未知的。遗传是一个重要的因素在许多情况下，先天性白内障，外伤性白内障和发展如下损伤镜头。许多形式的辐射能量，如红外射线，射线，或镭射是众所周知的原因白内障。然而，知之甚少的病因在大型和重要的一组老年性白内障。

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根据定义，白内障是一种不透明的晶状体。然而，出于实用的目的，该术语仅适用于那些削弱视线的晶状体混浊。
分类和病因学分类：白内障根据个体的年龄、病因和不透明度的形态特征进行分类。
白内障的发病机制尚不清楚。先天性白内障在许多情况下遗传是一个重要因素，而外伤性白内障是随着晶状体受到伤害结果。许多形式的辐射能量如红外线、X-射线、或镭射气是已知的引起白内障的原因。然而，大批的和重要的老年...

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根据定义，白内障是一种不透明的晶状体。然而，出于实用的目的，该术语仅适用于那些削弱视线的晶状体混浊。
分类和病因学分类：白内障根据个体的年龄、病因和不透明度的形态特征进行分类。
白内障的发病机制尚不清楚。先天性白内障在许多情况下遗传是一个重要因素，而外伤性白内障是随着晶状体受到伤害结果。许多形式的辐射能量如红外线、X-射线、或镭射气是已知的引起白内障的原因。然而，大批的和重要的老年性白内障人群的病因学却鲜为人知。

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白内障的定义是指眼睛中水晶体不透明。实践中这个术语只适用于眼睛水晶体中那些有碍视力的混浊物。
分类与病因：白内障按患者个体的年龄、病因、混浊物的形态特征进行分类。
白内障的发展机理未知。许多先天性白内障病例中遗传是一个重要因素，外伤性白内障的发展会引起眼睛水晶体损伤。已知多种形式的辐射能如红外线、X光或镭射气等可导致白内障。但对于人数较多且为主要患者群的老年性白内障的病因却知之甚少...

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白内障的定义是指眼睛中水晶体不透明。实践中这个术语只适用于眼睛水晶体中那些有碍视力的混浊物。
分类与病因：白内障按患者个体的年龄、病因、混浊物的形态特征进行分类。
白内障的发展机理未知。许多先天性白内障病例中遗传是一个重要因素，外伤性白内障的发展会引起眼睛水晶体损伤。已知多种形式的辐射能如红外线、X光或镭射气等可导致白内障。但对于人数较多且为主要患者群的老年性白内障的病因却知之甚少。

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