introduction :   branchretinal vein occlusion (brvo), in which one of the branches of the main vein are blocked, andcentral retinal vein occlusion (crvo) in which the main vein of the eye is blocked    often occur  in elderly people and are the second to diabetes in producing disease of the vessels of the retina. the main causes of vein occlusions in middle and young aged population is not well...

PREsENT thinking about the relations between central retinal vein occlusion and glaucoma derives mainly from the pioneer work of Verhoeff (1913), Salzmann (1933), and Duke-Elder (1940, 1957, 1959). Since their papers on this subject many reports have been added to the literature. Recently, Landolt (1958) has published his work on histology and Dobree (1957) clinical studies on the incidence of ...

A randomised controlled study of photocoagulation compared with no treatment in central retinal vein occlusion is reported. Forty-eight patients were allocated into treated and control groups by a random procedure 3 months after their first visual symptoms. For the analysis they were subdivided into (1) ischaemic type, and (2) hyperpermeability-response macular-oedema type of central retinal ve...