Differential diagnosis of an isolated inferior oblique paresis vs. Brown's syndrome: a case report.

The primary care optometrist is often faced with evaluating and diagnosing oculomotor anomalies. Non-concomitant deviations can be especially challenging because of the additional skill and knowledge needed for differential diagnosis. The following case illustrates the diagnostic process involved in differentiating inferior oblique paresis from Brown's syndrome. The clinical features, incidence, etiology and management considerations of each condition are discussed.