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Given the increasing incidence of obesity, bariatric procedures are gaining attention during the past decades, being one of the most effective methods of long-term weight loss. Nutritional optic neuropathy (NON) following bariatric surgeries is a rare but devastating complication caused by a complete lack or inadequate supply of nutrients for the normal function of nerve fibers. We report a case of bilateral anterior NON after a Single Anastomosis Duodenoileal Bypass with Sleeve Gastrectomy, and present a review of the literature about neuro-ophthalmic complications associated with these procedures. Bariatric surgery may constitute an established risk factor for NON and both patient and physician have to be aware of the importance of closely monitoring vitamin depletions and neurologic and visual symptoms. [ABSTRACT FROM AUTHOR]

We present the case report of a 6-year-old girl with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis associated with bilateral optic neuritis. She initially presented with disturbing behaviors and gait impairments and was hospitalized in the context of meningoencephalitis, without agent isolation and with inconclusive laboratory tests. After discharge, she noted a loss of vision with impaired color sensation and returned to the emergency department. Her best-corrected visual acuity was 20/400 in both eyes, and fundoscopy revealed bilateral optic disc edema. She was hospitalized once again. Anti-NMDAR antibodies were detected in serum and cerebrospinal fluid. The patient was successfully treated with a pulse of methylprednisolone, followed by a tapering regimen of prednisolone. She recovered to 20/20 vision in the right eye and left eye. Our report highlights additional aspects of anti-NMDAR encephalitis in children and suggests that the disease could present atypical visual manifestations, which requires multidisciplinary approaches. [ABSTRACT FROM AUTHOR]