Ophthalmologists

Fungal eye infections are sight-threatening and require immediate specialist (often multi-disciplinary) care. Fungi including Aspergillus, Fusarium and Candida can infect the cornea (keratitis), internal structures (endophthalmitis) and surrounding structures (orbit, conjunctiva, sclera, eyelid, lacrimal apparatus).

Pathogens can be introduced during trauma or surgery, or spread internally from the bloodstream of immunocompromised patients. Watch for risk factors including: HIV/AIDS, prolonged steroid use, diabetes mellitus, transplant recipients, intravenous drug use and recent cataract surgery.

Many systemic formulations of antifungals have limited penetration into the eyes. Some antifungals can be administered intravitreally, but amphotericin B can cause retinal toxicity at higher doses (Payne et al, 2010). Voriconazole is less toxic but requires more frequent injection(every 24 hours) than amphotericin B (every 48 hours).

Corneal ulcers are a significant public health problem in low-resource settings where many people work in industries (e.g. farming, forestry) with a high risk of traumatic onculation of fungi into the eye, and patients may present later in the course of infection due to poverty. Prajna et al (2017) shared their experiences of carrying out clinical research at Aravind Eye Hospital (India) with these challenges.

Aspergillus retinal lesion (Spadea & Giannico, 2019)
Fungul ulcer (Prajna et al, 2017)

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