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M. Seo, K. Yoon, Y. Park, J. Seo; Change in Blood Flow of Central Retinal Vein by Radial Optic Neurotomy in CRVO . Invest. Ophthalmol. Vis. Sci. 2003;44(13):3013.
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© ARVO (1962-2015); The Authors (2016-present)
Purpose: To evaluate the change in blood flow of central retinal vein (CRV) induced by radial optic neurotomy (RON) for the treatment of central retinal vein occlusion (CRVO). Methods: We checked the blood flow of CRV with color doppler before and after RON in CRVO. Results: In all seven eyes, blood flow of CRV increased and retinal findings rapidly improved after operation. Visual acuity increased in five eyes. Neovascular glaucoma developed in one eye. The mean blood flow of CRV (Vmax) was 2.69 ± 0.40 cm/sec in the occluded eyes and 5.14 ± 0.99 cm/sec in the opposite eyes before RON, and 4.54 ± 0.79 cm/sec in the occluded eyes after RON. The mean change of Vmax was 1.95 ± 0.93 cm/sec in the occluded eyes. Conclusions: RON may be an effective method to increase the blood flow of CRV in CRVO. However, the further evaluation should be necessary for determining its effect on visual acuity and side effects.
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