Pediatric Case Study of Ocular Loiasis Without Microfilaremia
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By
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André Domche
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Arlette Nomo
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Raissa Dongmo Yemele
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Hugues C. Nana Djeunga
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February 7, 2026
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Clinical Scorecard: Pediatric Case Study of Ocular Loiasis Without Microfilaremia
At a Glance
| Category | Detail |
|---|
| Condition | Loiasis |
| Key Mechanisms | Presence of adult Loa loa worm migrating through subconjunctival tissues. |
| Target Population | Pediatric patients, particularly in endemic regions of Central and West Africa. |
| Care Setting | Public hospital in rural forest area. |
Key Highlights
- 6-year-old child presented with immobile worm beneath conjunctiva for 11 months.
- Visual acuity remained 10/10 bilaterally despite the presence of the worm.
- Surgical removal of the worm was performed successfully under local anesthesia.
- Postoperative treatment included topical corticosteroids and antibiotics.
- Ivermectin was chosen for treatment due to co-endemicity with onchocerciasis.
Guideline-Based Recommendations
Diagnosis
- Consider loiasis in patients from endemic regions presenting with conjunctival symptoms.
- Perform thick blood smear to check for L. loa microfilariae.
Management
- Surgical removal of the worm is recommended.
- Postoperative care should include topical corticosteroids and antibiotics.
Monitoring & Follow-up
- Follow-up visits to monitor ocular health and check for complications.
Risks
- Potential for visual disturbances and complications such as retinal detachment.
Patient & Prescribing Data
Children in endemic areas for loiasis.
Ivermectin is preferred in areas co-endemic for loiasis and onchocerciasis.
Clinical Best Practices
- Educate patients and families about the nature of loiasis and its management.
- Ensure thorough examination for other manifestations of loiasis.
References
