A 17-year-old male with an unremarkable medical history presented with 2 days of painless blurred vision in the right eye. Three weeks prior, he was admitted with fever, myalgias, hepatosplenomegaly, lymphadenopathy, and truncal rash. What would you do next?

中文翻译：

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青少年男性的视网膜分支动脉阻塞


一名 17 岁男性，病史不明显，右眼出现 2 天的无痛性视力模糊。3 周前，他因发热、肌痛、肝脾肿大、淋巴结肿大和躯干皮疹入院。您接下来会做什么？