Toxic amblyopia

Toxic amblyopia, or nutritional optic neuropathy, is a condition where a toxic reaction in the optic nerve results in visual loss. Various poisonous substances may cause the condition as well as nutritional factors.^[1]

Tobacco amblyopia is a form of toxic amblyopia caused by tobacco containing cyanide. Tobacco amblyopia is marked by a gradual impairment of vision characterised by visual field defects and hindered central vision.

Methyl alcohol amblyopia occurs through acute poisoning by methyl alcohol and may lead to complete blindness.

Since the term toxic amblyopia is a misnomer according to modern definition of amblyopia, it is now more accurately termed as toxic retinopathies or neuropathies.^[2]

References

^ Toxic Amblyopia (Nutritional Amblyopia). The Merck Manuals.
^ Parsons' diseases of the eye. Ramanjit Sihota, Radhika Tandon (Twenty-second ed.). New Delhi, India. 2015. p. 88. ISBN 978-81-312-3819-6. OCLC 905915528.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)

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[1] Toxic Amblyopia (Nutritional Amblyopia). The Merck Manuals.

[2] Parsons' diseases of the eye. Ramanjit Sihota, Radhika Tandon (Twenty-second ed.). New Delhi, India. 2015. p. 88. ISBN 978-81-312-3819-6. OCLC 905915528.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)

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