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视网膜或视盘新生血管形成是视网膜中央静脉阻塞最严重的并发症之一。新生血管形成和随后发生的玻璃体出血使视力严重丧失。据报道,缺血型视网膜中央静脉阻塞发生视网膜或视盘新生血管形成的患病率为0%～55%。Trempe等报道在视网膜静脉分支阻塞的患者中,有完全玻璃体后脱离的眼发生新生血管的危险较无玻璃体后脱离者要少。作者推测,在视网膜中央静脉阻塞时,玻璃体后脱离能起到防止视网膜或视盘新生血管形成的作用。根据这一设想,作者回顾性地研究了具有广泛性视网膜缺血的中央静脉阻塞的60眼的玻璃体状况与视网膜或视盘新生血管之间的关系。作者等连续检查了274例(284眼)视网膜
Retinal or optic disk neovascularization is one of the most serious complications of central retinal vein occlusion. Neovascularization and consequent vitreous hemorrhage severely impair vision. It has been reported that the prevalence of retinal or optic disk neovascularization in ischemic retinal central vein occlusion ranged from 0% to 55%. Trempe et al. Reported that in patients with obstructed retinal vein branches, there is less risk of neovascularization in the posterior vitreous detachment than in the non-posterior vitreous detachment. The authors speculate that in the central retinal vein occlusion, posterior vitreous detachment can play a role in preventing retinal or optic disc neovascularization. Based on this concept, the authors retrospectively studied the relationship between the vitreous condition of 60 eyes with central vein occlusion with extensive retinal ischemia and retinal or optic disk neovascularization. The authors examined 274 consecutive cases (284 eyes) of the retina