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#涼感眼藥水
NOW健康
夏季乾眼困擾!涼感眼藥水非解方 醫揭正確治療與預防
【NOW健康 林郁敏/台北報導】夏季高溫與強烈紫外線,讓不少人長時間待在冷氣房避暑,卻加劇乾眼症患者的症狀。此時若使用標榜「涼感」的眼藥水,試圖緩解乾澀症狀,反而可能使病情惡化。双眼明眼科診所梁萓庭醫師提醒,若角膜已受傷,再使用含薄荷醇等刺激性成分的眼藥水,將不利於眼表傷口修復。夏季乾眼症患者激增! 「過度依賴」涼感眼藥水恐致眼表受損梁萓庭醫師指出,夏季之所以有較多乾眼症患者,多半是因為民眾習慣待在冷氣房,室內空氣較乾澀,加速淚液蒸發,再加上長時間使用手機、電腦,眨眼次數減少,更易出現眼睛乾澀、疲勞、異物感、畏光與視力模糊等症狀。市面上不少眼藥水標榜「涼感」、「瞬間清涼舒緩」,成分多來自薄荷醇,能刺激眼睛神經,製造短暫清涼感。梁萓庭醫師強調,對乾眼患者尤其是中重度者來說,這類成分並無保濕作用,反而可能會破壞淚膜穩定、加劇眼表發炎,若角膜已有傷口或破皮,涼感刺激可能加劇不適感。值得提醒的是,多數市售眼藥水含防腐劑,不適合頻繁使用,長期下來會損傷眼表健康。對於不同程度的乾眼症,梁萓庭醫師表示,通常輕微症狀會使用水狀的人工淚液,中度乾眼症狀則可能使用凝膠狀的眼藥水或藥膏,若使用各種眼藥水或藥膏後仍效果不佳,則可考慮使用「自體血清點眼液」作為治療選項。自體血清點眼液適用哪些情況? 醫師提醒注意事項梁萓庭醫師解釋,自體血清點眼液是抽取患者自身血液,經無菌處理分離血清後製成,不含防腐劑,長期使用無害,並有與天然淚液相似的酸鹼值與滲透壓,以及含有免疫球蛋白、生長因子、溶菌酶、纖連蛋白與維生素A等因子,能促進角膜細胞修復,增強免疫與抗菌功能,特別適用於長期角膜破皮、反覆性角膜糜爛、神經失養性角膜炎、免疫疾病造成的角膜病變等情況。不過,並非所有人都適合使用自體血清點眼液,有嚴重貧血、特殊血液疾病或抽血困難的患者,使用自體血清前,需經過醫師評估。若要預防乾眼症惡化,梁萓庭醫師認為,可先透過減少3C使用、熱敷與無防腐劑人工淚液來改善,當點人工淚液無效時就建議就醫,同時,應避免冷氣直吹眼睛,室內可使用加濕器保持濕度;外出時應戴上太陽眼鏡,減少紫外線、風沙對眼睛的刺激;使用3C產品30分鐘應休息5至10分鐘,並刻意多眨眼補足淚膜。飲食方面,保持充足水分攝取、增加Omega 3脂肪酸的攝取,對改善淚液品質也有幫助。# 首圖來源/梁萓庭醫師提供更多NOW健康報導▸心血管疾病高風險族群膽固醇要達標 中風、心梗不再來▸健保署長石崇良接任衛福部長! 各界期盼解決醫療困境NOW健康:FB │ IG │ Threads │ YT │ 官方LINE │ 醫級邦 │ 健康安妞 Podcast❤溫馨提醒:歡迎轉傳「原始文章連結」分享,未經授權,請勿複製圖文轉貼本文。
2025/08/31
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