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全部视网膜血流汇入视网膜中央静脉后 ,经过视神经并同行数毫米 ,最后经视神经下方 ,汇入海绵窦。视网膜静脉流出压必须克服途经视神经时所遇到的压力。当视网膜中央静脉压陷时 ,眼内压高于静脉流出压 ,即视神经内压力 ;当视网膜中央静脉搏动时 ,静脉流出压与颅内压大致相等 ;
All the retinal blood flow into the central retinal vein, through the optic nerve and the number of millimeters, and finally by the optic nerve below, into the cavernous sinus. Retinal venous outflow pressure must overcome the pressure encountered when passing through the optic nerve. When the central retinal vein compression, the intraocular pressure higher than the venous outflow pressure, intraocular pressure; when the central venous pulse pulsation, venous outflow pressure and intracranial pressure is approximately equal;