@article {Chubcr0220113823, author = {Colin Chu and Peter Scanlon}, title = {Vitamin B12 deficiency optic neuropathy detected by asymptomatic screening}, volume = {2011}, elocation-id = {bcr0220113823}, year = {2011}, doi = {10.1136/bcr.02.2011.3823}, publisher = {BMJ Publishing Group}, abstract = {Asymptomatic bilateral optic disc swelling was detected in a 19-year-old man with type 1 diabetes through routine photographic screening for retinopathy. He was found to have significant vitamin B12 deficiency which the authors believe was the cause for the optic neuropathy. After B12 replacement, visual function and optic disc appearances returned to normal.}, URL = {https://casereports.bmj.com/content/2011/bcr.02.2011.3823}, eprint = {https://casereports.bmj.com/content/2011/bcr.02.2011.3823.full.pdf}, journal = {Case Reports} }