Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

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Causes of Lazy eye原因弱视

The medical name for lazy eye is amblyopia.医学名称为弱视是弱视。 The main types are:主要类型有：

Strabismic Amblyopia 斜视性弱视

This is the most common cause of amblopia.这是最常见的原因amblopia 。 It is usually caused by a squint (strabismus) in one eye, which means the eyes look in different directions.它通常是由一斜视（斜视）在一只眼睛，这意味着眼睛看起来在不同的方向。 To avoid double vision, the brain only ‘sees’ images from the normal eye.避免双重视觉，大脑只有â € 〜 seesâ € ™图像从正常的眼睛。 Over a short period the squinting eye will become ‘lazy’ because it is not being used.超过短期内该眯眼眼将成为â € 〜 lazyâ € ™ ，因为它是不被使用。

Anisometropic amblyopia 屈光参差性弱视

This happens when one eye is more long sighted (hypermetropia) or short sighted (myopia) than the other.发生这种情况时，一只眼睛是较长远的短视（远视）或短期短视（近视） ，比其他。 The image on the back of one eye becomes blurry.形象，对后面的一只眼睛变得模糊。 If this is not treated at an early age, the brain is never able to form clear images.如果不是这样，治疗在早期年龄，大脑是从来没有能够形成清晰的图像。

Ametropic amblyopia 屈光不正性弱视

This affects both eyes.这既影响眼睛是雪亮的。 It is usually due to undiagnosed long-sightedness or astigmatism (an eye focussing problem).它通常是由于undiagnosed长期的近视或散光（ 1眼集中的问题） 。 It causes the image on the back of both eyes to be blurry.它的成因的形象，对后面的眼睛都被模糊。

Stimulus Deprivation Amblyopia 刺激剥夺性弱视

This is a rare form of amblyopia, but it can be severe.这是一种罕见形式的弱视，但它可以严重。 It affects one or both eyes.它影响到一个或两个眼睛是雪亮的。 It may be caused by:它可能造成的：

  • an eye disease such as a corneal ulcer or scar,一眼病，如角膜溃疡或瘢痕，
  • congenital cataract (clouding of the lens of the eye present from birth), or先天性白内障（混浊的眼球晶状体对目前从出生） ，或
  • glaucoma.青光眼。

It can also be caused by a droopy eyelid (ptosis or blepharoptosis) that covers the pupil or from injury or surgery to the eye.它也可以造成一droopy眼睑（眼睑下垂或眼睑下垂） ，包括学生或由损伤或手术到眼睛。