视障是指视觉功能受到一定程度的损害，患者因为视觉敏锐度低或视野受损，以致无法达到正常视力，因而到影响日常生活。
... oblique-wing twin fuselage (OWTF) 斜翼变机身 obscuration 视障;天空不明 observation airplane 观察机 ...
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... 深层正字法 deep orthography 视障 visual impairment 视障 visual impairment ...
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... 视障现象 obscuring phenomenon 视障；能见度变坏 obstruction to vision 海性率 occanicity; oceanity ...
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But the study found that, the current Web-based Courses design have not made more consideration for people with disabilities, web layout, colors, navigation, complex images, text material and so on, have serious information barriers for visual impaired users.
但是研究发现,当前网络课程的设计还没有为残障人士作更多的考虑,页面布局、色彩、导航、复杂的图像和文本素材等,对于视障用户来说还存在严重的信息障碍。
参考来源 - 基于视障者的网络课程页面无障碍设计研究·2,447,543篇论文数据，部分数据来源于NoteExpress
去年，我拜访了一所为视障和听障学生所开设的特殊学校。
Last year, I visited a special school for students with weak sight or hearing loss.
在20世纪中叶，美国约有一半的视障学龄学生读盲文。
During the middle of the 20th century, about half of visually impaired school-age students in America read Braille.
一些视障用户对某些扭曲的CAPTCHAs难以阅读。
Additionally, some visually impaired users have found certain kinds of distorted CAPTCHAs difficult to read.
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