The glare from snow can cause snow blindness, so wear sunglasses (polarized lenses are best) to avoid this problem.

雪的反射会对人体产生雪盲的症状，所以带上太阳镜(偏光镜最好)防止出现这样的情况。

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Men's sunglasses, aviator style, 100% UV protection, polarized lenses, better protecting your eyes and make your sight clearer.

飞行员风格男式太阳镜，100%UV防护，偏光镜片能够更好地保护眼睛并使您的视线更加清晰。

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During a demo, the audience was asked to put on black plastic sunglasses with polarized lenses.

FORBES: CES '09