Some are illicit: Methanol can cause blindness, and anti-tb drugs like Ethambutol & rifampin. Steroids can cause glaucoma, antimalarials like Hydroxychloroquine can damage the macula. Talc retinopathy can occur with intravenous drug use. Direct retinal toxicity can occur from injected gentamicin. The precautionary principle demands withdrawal of potentially toxic drugs once diminished visual function is documented.
Answered 6/25/2014
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