WHO coordinates the international efforts to reduce visual impairments.
世卫组织协调减少视力损害的国际努力。
Audible computer output is a useful alternative and accessible presentation mechanism, particularly for people with visual impairments.
计算机音频输出是一个有用的备用和可访问呈现机制，对于有视力障碍的人尤其如此。
Therefore, in this thesis, a new theory, coexistence theory, is proposed to explain the fact that both phenomena of deficiency and compensation can be found in people with visual impairments.
因此，研究者试图提出一种新的理论——“并存说”，即对于视障者来说，感知觉的缺陷现象与补偿现象是同时存在的。
The study involved 56 children, 38 with various visual impairments and 18 with normal vision.
这项研究有56个儿童参加，其中38有各种各样的视觉损害，18个视觉正常。
Most users with visual impairments will need a screen reader with higher functionality for daily use .
大多数患有视觉障碍的人需要更高功能的屏幕阅读器来满足日常所需。
Barring visual impairments, we perceive our surroundings via a video camera-like, wide-angle lens.
除了有视觉障碍的人外，我们都是在透过一个类似于视频摄像机的广角镜头来感知周围的环境。
Barring visual impairments, we perceive our surroundings via a video camera-like, wide-angle lens.
除了有视觉障碍的人外，我们都是在透过一个类似于视频摄像机的广角镜头来感知周围的环境。
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