Other symptoms can include a vague haziness or loss of perception. They help us to see things that aren't directly in front of us, giving us a rough idea of what is around us. Central Vein Occlusion Study Group. These job classifications are based on the amount of physical effort required to perform the work. From the optic chasm, the nerve signals travel along two optic tracts in the brain and eventually to the occipital cortex, where you process and perceive vision. Weiner J, Stinnett SS, Fekrat S. Ferrari DC, Koizumi H, spade HF. Weiss GR, Sipperley J, Gaitan BR. Promoters of this technique suggest that CRVO may be due to the compression of the central retinal vein at this location creating a compartment syndrome. The results of this study further demonstrate that when these eyes were left untreated, a significant percentage will either fail to improve or will experience further loss of visual acuity.
Epstein D, Algvere AV, Avon Wendy G, Se regard S, Kvanta A. Vitrectomy with complete posterior hyaloid removal for ischemic central retinal vein occlusion: series of cases. Am J Ophthalmol. 1996 Oct. 1224:588-9. Only 1-2 % are bilateral. Ophthalmology.