Methyl bromide optic atrophy.
A 32-year-old fumigation assistant developed systemic and neuro-ophthalmic manifestations of methyl bromide poisoning, including increased serum bromide level (6.6 mg/100 ml), paresthesias and burning dysesthesia on his hands and feet, and visual impairment. Ocular examination showed mild bilateral decrease in vision, temporal optic nerve head pallor, severely attenuated visual-evoked response amplitudes and normal latencies, a normal electroretinogram, an abnormal electrooculogram, and a severe deuteranomalous (green) defect on Farnsworth-Munsell 100-hue testing. His vision had not improved 12 months after the initial exposure.[1]References
- Methyl bromide optic atrophy. Chavez, C.T., Hepler, R.S., Straatsma, B.R. Am. J. Ophthalmol. (1985) [Pubmed]
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