AU - Hayreh, Sohan TI - Retinal vein occlusion PT - CURR DP - 1994 Jul 1 TA - Indian Journal of Ophthalmology PG - 109-132 VI - 42 IP - 3 4099- https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=1994;volume=42;issue=3;spage=109;epage=132;aulast=Hayreh;type=0 4100- https://journals.lww.com/ijo/pages/default.aspx/article.asp?issn=0301-4738;year=1994;volume=42;issue=3;spage=109;epage=132;aulast=Hayreh AB - In this review of the retinal vein occlusion (RVO), I have summarized recent advances on several controversial and clinically important topics: classification of RVO into six distinct clinical entities; pathogeneses and demographic characteristics of various types of RVO; differentiation of non-ischemic from ischemic central retinal vein occlusion (CRVO); differentiation of hemi-CRVO (HCRVO) from major branch RVO (BRVO); and the course, complications and management of various types of RVO