Health encyclopaedia 健康百科全书

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

Symptoms of Visual impairment症状，视觉受损

The most common symptom of sight loss is a steady reduction in vision, with distant objects becoming more difficult to distinguish.最常见的症状视线的损失是一个稳步减少在远见，与远处的物体变得越来越难以区分。 However, there can be many different symptoms of sight loss other than reduction of vision.不过，可以有很多不同的症状视线以外的其他损失减少的视野。 For example:例如：

• Sub-acute glaucoma may cause a dull, aching pain, foggy vision and rainbow coloured rings around lights.亚急性青光眼可能导致呆板， aching疼痛，有雾的远见和彩虹颜色的戒指周围的灯。
• Macular degeneration causes distorted vision; straight lines appear wavy and objects appear larger or smaller than they really are.性黄斑变性的原因，扭曲的视野;直线出现波浪状，并出现较大的物体或小于他们真的是。
• Cataracts can cause blurred vision, colours appear faded and bright lights become dazzling.白内障可导致视力模糊，颜色出现褪色和亮点，成为令人眼花缭乱。
• Dry eye syndrome causes a burning, gritty sensation in the eyes.干眼综合征的原因燃烧， gritty轰动，在眼睛是雪亮的。
• Diabetic retinopathy causes double vision and difficulty focussing.糖尿病视网膜病变的成因双重视野和困难集中。

The symptoms of sight loss depend greatly on the cause.症状视线的损失在很大程度上取决于事业。 Some conditions bring on a sudden and severe loss of vision, while others cause gradual sight deterioration.一些条件带来的突然和严重损失的视野，而其他事业的视线逐渐恶化的趋势。

• Vaginismus 阴道痉挛 Varicose veins 静脉曲张 Vasectomy 输精管结扎术 Vertigo 眩晕 Visual impairment 视觉受损 Vitiligo 白癜风

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