サングラスの“正しい”使い方は？思わぬ“落とし穴”も【ぎゅっと】（2026年5月12日OA）

With the arrival of full-fledged summer looming, hot days continue, and in Fukuoka, "heat countermeasures" are being implemented earlier than usual in various locations. Sunglasses are effective in blocking the dazzling sunlight. However, there's a certain pitfall depending on how they're used. If used incorrectly, they can have the opposite effect. We asked an eye specialist to explain.