Fungal and parasitic infections of the eye

Area of Science:

• Ophthalmology
• Infectious Diseases
• Medical Mycology
• Medical Parasitology

Background:

• The human eye's unique anatomy and direct environmental exposure make it vulnerable to uncommon fungal and parasitic infections.
• Host defenses are often insufficient to prevent vision loss once anatomical barriers are compromised by these microorganisms.
• Timely identification and treatment are paramount for managing ocular infections.

Purpose of the Study:

• To present the anatomy of the eye and surrounding structures.
• To emphasize the association between ocular anatomy and specific fungal and parasitic infections.
• To highlight the importance of prompt diagnosis and treatment in preventing vision loss.

Main Methods:

• Review of ocular anatomy and its relation to infection pathways.
• Discussion of common etiologies and clinical presentations of fungal and parasitic eye infections.
• Emphasis on diagnostic and therapeutic considerations.

Main Results:

• Filamentous fungal eye infections often result from trauma or sinus infections.
• Endogenous fungal endophthalmitis and chorioretinitis are typically seeded by fungemia, with Candida spp. being a common cause.
• Parasitic eye infections often arise from bloodborne dissemination.

Conclusions:

• Understanding ocular anatomy is key to recognizing infection risks.
• Prompt diagnosis and treatment are essential for managing fungal and parasitic eye diseases.
• Contact lens wear is a risk factor for keratitis caused by various fungi and Acanthamoeba species.