Young V L, Gumucio C A, Lund H, McMahon R, Ueda K, Pidgeon L
Division of Plastic Surgery, Washington University School of Medicine, St. Louis, Mo.
Plast Reconstr Surg. 1992 Jan;89(1):70-6; discussion 77-8.
Using the monkey model previously developed, we investigated the long-term effects of retrobulbar hematoma-induced retinal ischemia on functional vision and retinal histology. In this experimental model, ischemic periods of up to 120 minutes did not cause permanent visual deficits, as measured by flashed evoked visual potentials. Similarly, retinal histology showed no evidence of ischemic injury. From this we conclude that blindness after blepharoplasty is not due to retrobulbar hematomas alone and that additional predisposing factors are involved. The most likely additional factor is preexisting occult vascular ocular pathology.
利用先前建立的猴子模型，我们研究了球后血肿诱导的视网膜缺血对功能性视力和视网膜组织学的长期影响。在这个实验模型中，通过闪光视觉诱发电位测量，长达120分钟的缺血期并未导致永久性视力缺陷。同样，视网膜组织学也未显示缺血损伤的迹象。由此我们得出结论，睑成形术后失明并非仅由球后血肿所致，还涉及其他易感因素。最可能的额外因素是先前存在的隐匿性眼部血管病变。
