These include serum MOG IgG reported in association with uveitis [63, 65], peripheral ulcerative keratitis [63], acute macular neuroretinopathy [66], serous retinal detachment [67], venous stasis retinopathy [68], pre-retinal macular haemorrhage [69], orbital inflammatory syndrome [70] and orbital apex syndrome [71]. Here, MOG is linked to uveitis.