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天冷「4種眼疾」連環爆!醫警告:當腸胃炎拖延恐失明

ETtoday
2026/01/16 | 2分鐘閱讀

記者李佳蓉/綜合報導

低溫不只好發心血管疾病,就連「眼球疾病」也特別容易找上門!眼科醫師王孟祺示警,氣溫驟降造成血管收縮、交感神經受刺激及免疫系統失衡,會引發輕微但惱人的眼疾,也有緊急危險的視力殺手,其中包括眼中風、結膜下出血、虹彩炎與急性青光眼,有些病症即使不治療也會自行痊癒,一旦遇到「大魔王」恐因延誤治療而導致失明。

image

開業眼科診所院長王孟祺在粉專《王孟祺醫師-眼科最前線》發文分享,連日低溫,許多患者因「眼睛紅」而匆忙求診。他點名「4種眼睛疾病」容易在天冷時發作,首先是急症「眼中風」,因不會疼痛而易遭忽視,其典型特徵為無痛性、單眼視力突然模糊,視野突然黑一塊或整片看不見,尤其是三高控制不良或患有心血管疾病者須盡快就醫。

王孟祺接著說明,另一種看起來可怕,但多為無害性的是「結膜下出血」,不少患者會因它看起來很紅以為是眼中風,其實只是結膜上的微血管因血壓變化、搓揉或腹部憋氣用力等導致血管破裂,即使不治療,血塊也會慢慢吸收;另外,有些人則因服用阿斯匹靈或抗凝血劑而促使結膜下出血。

王孟祺表示,歲末年終不少人因工作繁忙、壓力大、熬夜,加上氣溫低、病毒活躍容易感冒,且很多人喜歡吃薑母鴨、羊肉爐、麻油雞進補,不只引起免疫系統不穩定,也可能誘發「虹彩炎」,患者會感覺脹痛,黑眼珠旁充血、畏光,並引起不等程度的視力模糊,需盡快就醫治療,以免惡化留下後遺症。

提到眼疾中的「大魔王」,王孟祺說明,是可能會急性失明的「急性青光眼」發作,患者眼睛會劇烈脹痛、視力模糊(看燈光周圍會有彩虹般的光圈),伴隨頭痛、噁心想吐等症狀,有時可能會誤認為腸胃型感冒而看錯科別、延誤治療而導致失明。他提醒,若有類似症狀,尤其是女性、年紀大、遠視眼及白內障的患者,要特別小心防範。

控三高防眼中風 外出防風多熱敷

天冷保養眼睛有方法,王孟祺呼籲,控制三高,是預防眼中風的關鍵因素;多忌口、不過度進補;不熬夜不過勞;注意眼部保暖與防風,當騎車或戶外風大時,請配戴全罩式安全帽或包覆性好的防風鏡,平時可熱敷眼睛促進血液循環並舒緩乾眼;注意室內溼度;多眨眼、多喝水,以保持身體水分充足。

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