Such evidence suggests that people who develop vision problems should take regular luceen supplements.
这些证据说明视力有问题的人应该经常服用luceen补充剂。
The company will design and develop a digitally enhanced night vision goggle as part of the US Army's enhanced night vision goggles program.
公司将设计并开发一种数字化增强夜视护目镜作为美国陆军增强型夜视镜计划的一部分。
Studies show that for adults there is no danger, but children can develop loss of vision if they have glasses inappropriate for their eyes.
研究表明，这对成年人来说没有危险，但如果儿童戴了不适合他们眼睛的眼镜，可能会导致视力下降。
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