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Prevalence and risk factors for chalazion in an older veteran population
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  • Published on:
    Clinical features of chalazion following COVID-19 vaccination
    • Yusuke Kameda, Director (MD, PhD) Yotsuya-sanchome Ekimae Eye Clinic, Tokyo, Japan
    • Other Contributors:
      • Megumi Sugai, Assistant (Medical student)
      • Karin Ishinabe, Assistant (Medical student)
      • Nichika Fukuoka, Assistant (Medical student)

    Clinical features of chalazion following COVID-19 vaccination

    Yusuke Kameda, Megumi Sugai, Karin Ishinabe, Nichika Fukuoka
    Yotsuya-sanchome Ekimae Eye Clinic, Tokyo, Japan

    *Corresponding author: Yusuke Kameda, MD, Yotsuya-sanchome Ekimae Eye Clinic, Tokyo, Japan, 3-7-24 Yotsuya, Shinjuku-ku Tokyo 160-0004, Japan.
    Phone: 81-3-6380-4101; Fax: 81-3-6380-4133; E-mail:

    To the editor
    We read the article published by Patel et al. with considerable interest [1]. The authors have provided interestingly novel insights into the prevalence and risk factors for chalazion. In their large case-control study comprising 3,453,944 older veteran participants with/without chalazion, the risk factors for chalazion included smoking, conditions of the tear film, conjunctivitis, dry eye, conditions affecting periocular skin, rosacea, allergic conditions, and systemic disorders, such as anxiety. Considering the relationship between chalazion and anxiety, a similar trend as reported in the previous study by Nemet et al. was observed [2]. Moreover, anxiety is generally considered as a psychological reaction to stress [3, 4]. Alsammahi et al. reported that stress is associated with the development of chalazion [5]. In real-world settings, we realize that patients with the onset of chalazion are likely to have anxiety or stress (such as work and examination).
    Incidentally, in the c...

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    Conflict of Interest:
    None declared.