II. Epidemiology
- Age of onset: 5-8 years old (mean)
- Incidence: 700 cases per year in United States
III. Pathophysiology
- Roundworm infection (Toxocariasis)
- Spreads to eye from concurrent Visceral Larva Migrans
IV. Symptoms
- Gradual or sudden unilateral visual loss
- Eye discomfort
- Symptoms of Visceral Larva Migrans often absent
- Strabismus
V. Signs: Slit Lamp Exam
VI. Labs
- Eosinophilia (rare)
- Eosinophils in Aqueous Humor
VII. Differential Diagnosis
- Retinoblastoma
- Strabismus
- Exudative retinitis (Coat's disease)
VIII. Complications
- Ocular inflammation with scarring with risk of Vision Loss
IX. Course
- Ocular symptoms may present up to 10 years after infection
X. Management
- No satisfactory treatment
- Trial of Corticosteroids
- Surgery may be indicated in severe cases
- See Visceral Larva Migrans
XI. Resources
XII. References
Images: Related links to external sites (from Bing)
Related Studies
| Concepts | Disease or Syndrome (T047) |
| MSH | D007815 |
| SnomedCT | 240866006 |
| English | Larva Migrans, Ocular, ocular toxocariasis, ocular larva migrans, larva migrans ocular, toxocariasis ocular, Granulomatous ophthalmitis, Ocular larva migrans, Ocular toxocariasis, Ocular toxocariasis (disorder), Ocular Larva Migrans |
| French | Larva migrans oculaire |
| German | Okuläre Larva migrans, Larva migrans, okuläre |
| Italian | Larva migrans oculare |
| Czech | larva migrans ocularis, oční larva migrans |
| Spanish | larva migra ocular, oftalmitis granulomatosa, toxocariasis ocular (trastorno), toxocariasis ocular, Larva Migrans Ocular |
| Dutch | Larva migrans ocularis, Oculaire larva migrans |
| Portuguese | Larva Migrans Ocular |
