American journal of ophthalmology case reports · 2025
Larvae of Gazalina chrysolopha can lead to atypical ophthalmia nodosa like features: A case report with imaging and management insights.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Ошибки и ограничения
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Acharya Sarmila, Kharel Sitaula Ranju, Jha Prakash, Karki Pratap, Joshi Sagun Narayan, Bhusal Daya Ram, Upadhyay Madan Prasad
Аннотация
BACKGROUND: Ophthalmia nodosa is an ocular inflammatory condition caused by the penetration of barbed insect hairs (setae) into ocular tissues, commonly associated with exposure to caterpillars, moths, or tarantulas. While Seasonal Hyperacute Panuveitis (SHAPU) is a well-documented ocular condition linked to exposure to adult white moths of Gazalina chrysolopha species, the interaction of larval stage of this white moth and ocular pathology has not been studied earlier. Thus, our case report highlights the ocular insult caused with the exposure to Gazalina chrysolopha larvae, emphasizing that while the larval stage may not cause SHAPU, it poses significant ocular risks, particularly in the form of ophthalmia nodosa.
CASE PRESENTATION: A 56-year-old male presented with acute photophobia, redness, and foreign body sensation in the right eye following exposure to white moth larvae during tree-cutting activities. Slit-lamp examination revealed multiple translucent setae embedded in the upper palpebral conjunctiva and corneal stroma, accompanied by superficial punctate keratitis and mild anterior chamber inflammation. Anterior segment optical coherence tomography (AS-OCT) confirmed corneal stromal infiltration of setae, while specular microscopy demonstrated endothelial polymegathism and pleomorphism. Conservative management with topical antibiotics, corticosteroids, lubricants, and mydriatics resulted in resolution of inflammation, though retained corneal setae were observed during follow-up.
CONCLUSION: This case highlights the importance of recognizing the ocular risks associated with the larval stage of the white moth, which can cause ophthalmia nodosa like features. Early diagnosis and appropriate management are crucial to prevent long-term complications. Further research is needed to explore the pathophysiological mechanisms linking moth life stages to ocular inflammation and to optimize treatment strategies.
CASE PRESENTATION: A 56-year-old male presented with acute photophobia, redness, and foreign body sensation in the right eye following exposure to white moth larvae during tree-cutting activities. Slit-lamp examination revealed multiple translucent setae embedded in the upper palpebral conjunctiva and corneal stroma, accompanied by superficial punctate keratitis and mild anterior chamber inflammation. Anterior segment optical coherence tomography (AS-OCT) confirmed corneal stromal infiltration of setae, while specular microscopy demonstrated endothelial polymegathism and pleomorphism. Conservative management with topical antibiotics, corticosteroids, lubricants, and mydriatics resulted in resolution of inflammation, though retained corneal setae were observed during follow-up.
CONCLUSION: This case highlights the importance of recognizing the ocular risks associated with the larval stage of the white moth, which can cause ophthalmia nodosa like features. Early diagnosis and appropriate management are crucial to prevent long-term complications. Further research is needed to explore the pathophysiological mechanisms linking moth life stages to ocular inflammation and to optimize treatment strategies.