A 62-year-old man presented to the New England Eye Center with left eye pain and decreased vision. He initially presented to an outside emergency department with intermittent headache and dull eye ...

Ophthalmologists, optometrists, and neurologists may be widely overdiagnosing optic neuritis, researchers say. Neuro-ophthalmologists at Washington University in St Louis, Missouri, could confirm only ...

Marcus Gunn pupil is also known as Marcus Gunn sign and relative afferent pupillary defect (RAPD). It’s when the eye’s pupil only slightly contracts or dilates when light shines over it, instead of ...

Thinking about mistakes, especially medical mistakes, is uncomfortable. It is certainly more enjoyable to read about a promising new therapy than to scrutinize the reasons that medical mistakes are ...

An 8-year-old Asian boy presented with vision loss in the right eye for 1 day. He described a central area of vision loss with intact peripheral vision. At the onset of the vision loss, he had a mild ...

Optic neuritis is a condition in which the optic nerve becomes inflamed and swollen, leading to an acute severe impairment of vision in the affected eye. The swelling may further lead to damage to the ...

Retrospectively reviewed children younger than 18 years old with optic neuritis in Chang Gung Memorial Hospital and Chang Gung Children’s Hospital from 1998 to 2009. Visual recovery from optic ...

A 53-year-old man presented to the hospital after losing vision in his left eye. He explained that he had been given his second dose of Pfizer's COVID vaccine (Comirnaty) 10 days previously. He said ...

A 34 year-old woman presented with right facial numbness. She had left optic neuritis two years ago. Multiple Sclerosis (MS): Flair axial MRI images at the level of the medulla/cerebellum (left), and ...

A 43 year-old man had a twenty year history of MS, presenting initially with optic neuritis. Over the past ten years, he developed progressive weakness, numbness and ataxia in the lower extremities.