A 35-year-old male had a two-day history of decreased vision of the right eye after a viral prodrome of fever, headache &myalgias, suggesting a viral cause.

• 摘要病人是一位35岁的健康男性，因为右眼视力急速减退而至本院眼科求诊，当时右眼的眼底变化主要为视神经乳头水肿及乳头周围渗出物，左眼正常。