“…Patients with more serious ocular lesions (ie, optic atrophy, extensive chorioretinal lesions, retinal vasculitis, and occlusion) may result in substantial visual loss and persistent visual field deficit 12,6. Hematogenous dissemination of virus seeding the choroid, and direct spread of the virus from the central nervous system to retina, retinal pigment epithelium, and choroid through optic nerve have been thought to cause chorioretinitis 11. Diabetes or age greater than 50 years are risk factors for more serious ocular manifestations of WNV infection 6.…”