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Blog 2026/07/30 00:38 by SHU3

Is your eyelid twitching? Should you leave it alone? It might be a different sign than eye strain

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"My eyelid keeps twitching on its own"…Have you ever experienced this? It's a subtle but bothersome symptom that tends to occur when desk work continues. This is called eyelid myokymia (眼瞼ミオキミア), a condition where the muscles around the eyes twitch near the inner or outer corners of the eyes. It starts without warning and subsides in a short time, but since it repeats multiple times, it can continue for months at a time. **Why does twitching occur?** Long hours of computer and smartphone use, physical and mental fatigue, and lack of sleep are considered causes of eye strain, and it becomes more likely to occur even when there are conditions that irritate the eye surface (such as dry eye). The articles on "eye fatigue," "sleep," and "stress" that we've introduced so far are actually connected at the root to this symptom. **Similar but different: "Another eyelid symptom"** A disease that is easily confused with eyelid myokymia is "blepharospasm." Blepharospasm is a condition where the eyelid closes with a strong force independent of one's will, which is fundamentally different from myokymia. The key to distinguishing between them is "whether you can control the opening and closing of your eyelids." If it's just twitching, there's little cause for concern, but if your eyelid is difficult to open or closes strongly, caution is needed. **Start by resting your eyes** Regardless of eyelid twitching, the first thing to suspect as a cause is eye strain. Properly resting your eyes is the first line of defense. ① Get enough sleep Lack of sleep is one of the representative causes of eyelid myokymia. ② Rest your eyes frequently The 20-20-20 rule we introduced before is effective here too. ③ See an ophthalmologist if symptoms persist If symptoms continue for months at a time or if you have difficulty opening your eyelid, consult an ophthalmologist rather than self-diagnosing. **Summary** Eyelid twitching is in most cases a sign of fatigue. Rather than leaving it alone thinking "it will go away eventually," take it as a signal to rest. If it persists, it's reassuring to consult a specialist. https://mirulab.jp/column/cat05_eye_trouble/1377/ External link
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まぶたがピクピクする—放っておいていい?疲れ目とは違うサインかも

「まぶたが勝手にピクピク動く」…そんな経験、ありませんか?デスクワークが続くと出やすい、地味だけど気になる症状です。 これは眼瞼(がんけん)ミオキミアと呼ばれるもので、目頭や目尻の周辺で、目の周りの筋肉がピクピクと震える症状です。前触れもなく始まり短時間で治まりますが、何度も繰り返すため数ヶ月単位で続くこともあります。 **なぜピクピクが起こるのか** 長時間のパソコン・スマホの利用、肉体的・精神的な疲労、寝不足などが目の疲労の原因として考えられており、目の表面を刺激するような状態(ドライアイなど)があっても起こりやすくなります。 これまで紹介してきた「目の疲れ」「睡眠」「ストレス」の記事とも、実は根っこでつながっている症状なんです。 **似ているけど違う「もう一つのまぶたの症状」** 眼瞼ミオキミアと混同しやすい病気に「眼瞼けいれん」があります。眼瞼けいれんは自分の意志とは関係なく、まぶたがギュッと強い力で閉じてしまう病気で、ミオキミアとは決定的に違います。 見分け方のポイントは「まぶたの開閉のコントロールができるかどうか」。ピクピクするだけなら心配は少ないですが、まぶたが開けにくい・強く閉じてしまうなら注意が必要です。 **まずは目を休めることから** まぶたのピクピクに限らず、原因としてまず疑うべきは目の疲労です。しっかり目を休めることが第一の対処法です。 ① 睡眠をしっかりとる 寝不足は眼瞼ミオキミアの代表的な原因の一つです。 ② こまめに目を休ませる これまで紹介した20-20-20ルールが、ここでも有効です。 ③ 症状が長引くなら眼科へ 数ヶ月単位で続く、まぶたが開けにくいなどの症状がある場合は、自己判断せず眼科に相談しましょう。 **まとめ** まぶたのピクピクは多くの場合、疲労のサインです。「そのうち治る」で放置しすぎず、休息のサインとして受け止めてあげてください。長引く場合は専門家に相談するのが安心です。 https://mirulab.jp/column/cat05_eye_trouble/1377/ External link
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