If.ou begin to see floaters or flashes, especially if you are over thege of 45 and/or are very near-sighted, you should make an appointment to see Dr. Medline . My natural history study 10 was based on 144 eyes with resolved non-ischemic CRVO NOT 544 and it showed that in them the final visual acuity on resolution of CRVO was 20/40 or better in 65%, and it was better than 20/80 in 74%. Treatments for retinal arterial blockage are limited. If intervention is delayed, retinal artery occlusion nearly always causes a dense visual loss in the central visual field central artery occlusion, or in a portion of the a peripheral visual field branch artery occlusion. Figure 12. Mayo. Therefore, I do not advocate this therapy. Patients with a bravo causing persistent visual problems may undergo a vitrectomy with an arteriovenous sheathotomy, a newer procedure in which the blocked vein is surgically separated from the artery compressing it.  Large.ieces of debris can also get caught and block off t

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