A chronic tobacco chewer came to OPD with diminution of vision. Which of the following nutritional supplement can be provided to him:
Vitamin B1
Vitamin B2
Vitamin B6
Vitamin B12
Vitamin B12 is used for tobacco associated amblyopia. Tobacco associated amblyopia Seen in men doing heavy smoking, drinking and diet deficient in protein and vitamin B complex. Toxic agent involved is cyanide. B/L centrocecal scotomas are seen. Vitamin B12, 1000 microgram i.m injection weekly.
Neuro Ophthalmology