He stands at the gate of Kabul University in a red sweater black jeans and tinted prescription glasses.
他站在喀布尔大学的门口，戴着有色的近视眼镜，穿着红色的毛衣、黑色的牛仔裤。
Many service members and their families still cannot afford adequate eye care necessities like prescription glasses.
许多服务成员和他们的家庭仍然买不起足够的眼部护理用品如处方眼镜。
Present in some prescription glasses, it has the effect of bending light and can cause double vision or headaches in some wearers.
研究者发现，这些廉价墨镜在透光性上做得十分低劣，因光线透过劣质镜片而光线发生折射，容易造成视觉重影、甚至还有头疼眩晕的迹象。
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