Changes in retinal ischaemic index correlate with recalcitrant macular oedema in retinal vein occlusion: WAVE study
Soonil Kwon, Charles Clifton Wykoff, David M Brown, Jano van Hemert, Wenying Fan, SriniVas R Sadda
British Journal of Ophthalmology Aug 2018, 102 (8) 1066-1071; DOI: 10.1136/bjophthalmol-2017-311475