Fig. 4.1
Pale, ill-defined, yellowish patches at the posterior pole.
Fig. 4.2
Fluorescein angiogram, early venous phase (same patient): masking of choroidal perfusion.
blood tests for vasculitis) may be appropriate.
Topical medications No treatment is required in most cases. Corticosteroid medications are indicated when there is
marked visual impairment, or oral treatment for an associated systemic inflammatory condition. Cyclosporin is used in resistant cases.
Review Improvement in symptoms and signs may continue for up to 12 months. If review reveals marked chorioretinal scarring or choroidal atrophy, an alternative diagnosis – especially serpiginous chorioretinitis – should be considered.