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1·He has a visual impairment in the right eye.

他的右眼有视力损伤。《柯林斯英汉双解大词典》

2·Globally the major causes of visual impairment are.

在全球范围内，视力损害的主要原因有。

3·Prevention of avoidable blindness and visual impairment.

预防可避免的盲症和视力损害。

4·80% of all visual impairment can be avoided or cured.

80%的视力损害是可以避免或治愈的。

5·Active treatment can prevent severe visual impairment.

积极治疗可避免严重的视力损害。

6·Visual impairment makes it difficult for people to do sports on their own.

视障人士难以独自一人做运动。

7·Very labored breathing, headache, visual impairment, and ringing in the ears.

呼吸非常吃力，头痛，视力减弱和耳鸣。

8·In some cases, a sound alert has advantages even for those without a visual impairment.

在某种情况下，对于那些没有视力障碍的人也有优势。

9·To assess the effects on vision of mass screening of older people for visual impairment.

评估对老年人视力不全做大规模视力筛检之效用。

10·Quality of life questionnaire with visual impairment was used in 55 viral keratitis patients.

对55例病毒性角膜炎患者的生活质量进行调查、研究和分析。