CRVO group had longer history and less visual improvement after surgery.

CRVO组病史较长，手术后视力改善较少。

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Objective to observe the clinical therapeutic effects of radial optic neurotomy (RON) for central retinal vein occlusion (CRVO).

目的观察放射状视神经切开术(RON)治疗视网膜中央静脉阻塞(CRVO)的临床疗效。

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Objective To study changes in hemodynamics and hemorheology of central retinal artery (CRA) and optic artery (OA) in patients with central retinal vein occlusion (CRVO).

目的探讨视网膜中央静脉阻塞(CRVO)患者的视网膜中央动脉(CRA)，眼动脉(OA)的血液动力学、血液流变学改变及其相互关系。

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