Viral Meningoencephalitis and Bilateral Blurry Vision

A 20-year-old Chinese woman was experiencing fever, malaise, headache, nausea, vomiting, and neck stiffness for 2 weeks. Further examination revealed inflammation, vitritis and cystoid macular edema, tortuous dilatation of retinal venous vessels with fluorescence leakage, and hyperfluorescence in the optic disc. What would you do next?