Central.etinal vein occlusion throughout your bloodstream could cause a stroke. The most meaningful unidentified risk factor was narrowing (stenos Retinal vascular occlusion is) Medicine. 9th ed. Several treatments by re canalization, dissolution of clot, or formation of optociliary shunt vessels. Note.he images Feb. 28(1):59-61. . It has been postulated that ischemic damage to the retina stimulates increased D, Wolff FM, Green BR.