Retinal angiography, specifically fluorescein angiography (FA), is important for the diagnosis and follow-up of pharmacologic retinal toxicity. At this time, there does not appear to be a significant role for indocyanine green (ICG) videoangiography, and even the role of optical coherence tomography (OCT) for these conditions is very limited. Fluorescein angiography appears to be particularly helpful in early cases of possible toxicity where the clinical findings may be mild. Early diagnosis is beneficial, as prompt discontinuation of the offending agent may on occasion reduce the risk of permanent vision loss.
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