[Wilhelm Uhthoff (1853-1927)--important contributor of world neuro-ophthalmology].

The reversible blurred vision occurring in patients with multiple sclerosis after a strenuous physical exercise is known as Uhthoff's phenomenon. Wilhelm Uhthoff was a German ophthalmologist, especially interested in neurology. He was a clinician and a devoted researcher--he observed many ophthalmic and neurological symptoms in his numerous patient cohorts, which he reported in many published research papers. His research contributed significantly to the development of neuro-ophthalmology.