decreased visual acuity

· AIM: To evaluate the surgical efficacy and preoperative factors causing the decreased visual acuity of patients with retinal detachment after branch retinal vein occlusion. and the visual acuity of 1 eye was decreased.

目的：分析视网膜分支静脉阻塞伴视网膜脱离患者的手术治疗效果及影响因素。结果治疗后3个月内有34只眼视力不变或提高，1只眼因出血而视力下降；

Of the 61 eyes with decreased visual acuity, the visual acuity of 53 eyes ( 86.9%) was improved.

61只视力下降眼中，53只眼（86.9%）视力改善；

Results During a follow up of 6 to 12 months, corneal scars of 12 cases ( 12 eyes) were decreased, visual acuity of 11 eyes were improved.

结果随访6～12个月，12例（12眼）角膜瘢痕减轻，11眼视力有不同程度的提高。

Diabetic macular edema ( DME) is main cause leading to decreased visual acuity in DR.

糖尿病性黄斑水肿（diabetic macular edema，DME）是DR视力下降的主要原因之一。

Ophthalmic: Cataract, allergic conjunctivitis , decreased visual acuity.

眼科: 白内障 、 过敏性结膜炎 、 视力减退.

In the long-term noise pollution of the environment will make people deaf, decreased visual acuity, memory loss, insomnia, debilitating symptoms, sometimes serious hypertension, heart disease, depression, mental disorders, endocrine disorders and other.

长期处于噪声污染环境会使人出现耳聋、视力下降、记忆力下降、失眠、浑身无力等症状，严重的还会出现高血压、心脏病、抑郁症、精神系统疾病、内分泌紊乱等。

The most frequent signs noted on the initial examination were enlarged eyeball ( 42.5%) and decreased visual acuity ( 35%).

初诊时最常见的症状是眼球长大（42.5%）、视力下降（35%）。

The mainly manifestation of orbital apex were early decreased visual acuity, slightly proptosis and edema or atrophy of optic cup, misdiagnosis was high in the early stage.

眶尖肿瘤主要表现早期视力障碍，轻度眼球突出，眼底视盘水肿或萎缩，早期易误诊。

Objective To investigate the cause of decreased visual acuity after cataract extraction and artificial lens implantation and its preventing method.

目的探讨白内障摘除联合后房型人工晶体植入术后低视力的原因和预防方法。

In 14 eyes with wound dehiscence of 1/ 4-1/ 2 circle, eight cases ended with decreased visual acuity, 11 with grafts opacities, five with abnormal intraocular pressure ( above or below the normal range).

14例创口裂伤范围1/4~1/2周的患者，术后8例视力下降，11例角膜植片混浊，5例眼压异常（降低或升高）。