Purpose:To investigate intraocular lens(IOL)tilt and decentration following combined vitrectomy and pars plana lensectomy(PPL)with IOL implantation in patients with proliferative diabetic retinopathy.Methods:We follow...Purpose:To investigate intraocular lens(IOL)tilt and decentration following combined vitrectomy and pars plana lensectomy(PPL)with IOL implantation in patients with proliferative diabetic retinopathy.Methods:We followed 25 patients with proliferative diabetic retinopathy who underwent PPL and IOL(MA60BM)implantation at the time of pars plana vitrectomy(PPL group),and 25 patients who underwent phacoemulsification and IOL(MA60BM)implantation without vitrectomy(PE group).Intraocular lens tilt and decentration were evaluated quantitatively,using the anterior eye segment analysis system,approximately 12 months after surgery.Results:There was no significant difference in IOL tilt(p=0.47)or decentration(p =0.26)between the PPL and PE groups.Conclusions:The present study suggests that tilt and decentration of the IOL are acceptable in combined vitrectomy and pars plana lensectomy.展开更多
随着微创玻璃体切除术(pars plana vitrectomy,PPV)的广泛开展和手术技术的提高,患者对手术后视觉质量的要求越来越高。白内障是PPV术后最常见并发症,而具有玻璃体切除史的白内障患者屈光变异大,预测难度高。本文综述了生物测量误差、...随着微创玻璃体切除术(pars plana vitrectomy,PPV)的广泛开展和手术技术的提高,患者对手术后视觉质量的要求越来越高。白内障是PPV术后最常见并发症,而具有玻璃体切除史的白内障患者屈光变异大,预测难度高。本文综述了生物测量误差、人工晶状体屈光力计算公式选择以及有效晶状体位置预测等影响有玻璃体切除手术史的白内障患者术后屈光误差的主要因素,旨在为降低这一类特殊人群白内障术后屈光误差提供参考。展开更多
文摘Purpose:To investigate intraocular lens(IOL)tilt and decentration following combined vitrectomy and pars plana lensectomy(PPL)with IOL implantation in patients with proliferative diabetic retinopathy.Methods:We followed 25 patients with proliferative diabetic retinopathy who underwent PPL and IOL(MA60BM)implantation at the time of pars plana vitrectomy(PPL group),and 25 patients who underwent phacoemulsification and IOL(MA60BM)implantation without vitrectomy(PE group).Intraocular lens tilt and decentration were evaluated quantitatively,using the anterior eye segment analysis system,approximately 12 months after surgery.Results:There was no significant difference in IOL tilt(p=0.47)or decentration(p =0.26)between the PPL and PE groups.Conclusions:The present study suggests that tilt and decentration of the IOL are acceptable in combined vitrectomy and pars plana lensectomy.
文摘随着微创玻璃体切除术(pars plana vitrectomy,PPV)的广泛开展和手术技术的提高,患者对手术后视觉质量的要求越来越高。白内障是PPV术后最常见并发症,而具有玻璃体切除史的白内障患者屈光变异大,预测难度高。本文综述了生物测量误差、人工晶状体屈光力计算公式选择以及有效晶状体位置预测等影响有玻璃体切除手术史的白内障患者术后屈光误差的主要因素,旨在为降低这一类特殊人群白内障术后屈光误差提供参考。