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对红绿颜色分辨不清、视力障碍、盲点、畏光、废用性弱视、大量饮酒后突然...
Toxic amblyopia (toxic/nutritional optic neuropathy) is optic-nerve damage from toxins or deficiency (tobacco-alcohol amblyopia, methanol poisoning, ethambutol, vitamin B12 deficiency), causing bilateral central scotoma and dyschromatopsia. Treatment: stop the toxin/medication; vitamin B12 supplementation; treat nutritional deficiency; methanol antidote (folate/ethanol/4-MP/hemodialysis); early treatment preserves vision.
Bilateral central scotoma; dyschromatopsia; history of toxin (tobacco/alcohol/methanol/ethambutol/B12 deficiency)
Toxic/nutritional injury to the optic-nerve fibers causes central visual loss.
Stop toxin/med; vitamin B12; treat methanol poisoning; early treatment preserves vision
Avoid toxins; monitor ethambutol; supplement B12.
It is recommended to visit the Ophthalmology/Neurology department; an appointment can be booked on this platform before the visit.
Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.
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