A follow-up study of the EOG lightrise in ischaemic retinopathy

In 15 patients suffering from unilateral ischaemic retinopathy (occlusion of the central retinal artery) the EOG lightrise was studied. In all cases except one, a subnormal or absent EOG lightrise was found in the affected eye, if at least the recording was started within 2 weeks from the onset of complaints. In 8 patients the EOG lightrise was followed over an extended period of time, the longest period of control being 11 months. The EOG lightrise of the affected eyes showed a general tendency to recover, notwithstanding permanent loss of vision in most of the cases. The fellow eye in 6 patients showed initially a subnormal EOG lightrise too. The role of the choroidal circulation on the behaviour of the EOG lightrise is discussed.