Retinochoroidal collaterals in central retinal vein occlusion Atsushi Suzuki 1 , Norio Okamoto 1 , Shoji Tsubakimori 2 , Mihoko Ohnishi 1 , Masakatsu Fukuda 1 1Dept of Ophthalmol, Osaka Teishin Hosp 2Dept of Clinical Lab, Osaka Teishin Hosp pp.355-357
Published Date 1999/3/15
DOI https://doi.org/10.11477/mf.1410906236
  • Abstract
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We performed indocyanine green (ICG) videoangiography in 16 eyes of 13 patients of regressed central retinal vein occlusion. All the eyes showed papillary vascular loop or dilated vessels. All the 26 eyes of the 13 patients were also evaluated by color Doppler method to measure the flow velocity in the central retinal vein. All the 16 affected eyes showed the presence of retinochoroidal collaterals in the optic nerve head by ICG angiography. Blood flow velocity in the central retinal vein was significantly reduced in the affected than in the fellow unaffected eyes. The flow velocity was modified by recanalization of the occluded central retinal vein and also by formation of retinochoroidal collaterals.

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