Some schools even have special vision instructors.

一些学校甚至配有专业的视觉导师。

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The product range encompasses spectacle frames and sunglasses, magnifying glasses, loupes and special vision aids.

产品系列包括眼镜架、太阳镜、放大镜和其它助视产品。

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At the office of your pediatrician or a pediatric ophthalmologist, take advantage of special vision tests for preschoolers that don't require knowledge of the alphabet.

在儿科门诊或专门的眼科专家诊所，利用一些特殊的方法为学龄前儿童进行视力测试，并且是不需要认知字母表的。

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No such grand vision will be unveiled by Mr.Obama in Trinidad, according to the president's special advisor for the summit,Jeffrey Davidow.

VOA: standard.2009.04.15

It was this quality of populism that led Eunice to the core of her vision of the Special Olympics-that through sports not only do we help the mentally retarded, but they also help us.

NPR: Eunice Kennedy Shriver's Olympic Legacy

He was also a co-convener of 2020 vision, the special assembly organised by the Presbyterian Church in 1998, to consider how the church needed to change the way it operated to give people the spiritual support they desire today.

BBC: New head for Presbyterian Church

He's especially excited for an off-season workout that Payne has for him: Outfitting him with special goggles that will cut off vision in one eye.

WSJ: Two Things Stephen Curry Does Better Than You