AIM:To evaluate the long-term effect of foldable capsular vitreous body(FCVB)in the treatment of severe ocular rupture to provide a practical basis for clinical selection.METHODS:A total of 26 patients(26 eyes),23 men...AIM:To evaluate the long-term effect of foldable capsular vitreous body(FCVB)in the treatment of severe ocular rupture to provide a practical basis for clinical selection.METHODS:A total of 26 patients(26 eyes),23 men and 3 women,with severe ocular rupture who underwent FCVB implantation between March 2018 and September 2018 were retrospectively analysed.All open ocular wounds located in zone III,with preoperative visual acuity grade IV and above(Snellen less than 4/200).The best corrected visual acuity(BCVA),intraocular pressure(IOP),cornea,anterior chamber,iris,lens,choroid,and retina were evaluated before and after the surgery.The subjective feeling and the location of FCVB were also assessed.RESULTS:The average age of the 26 patients was 36y(20-60y).Postoperative follow-up was from 10 to 14mo.At the end of follow up,BCVA was light perception(LP)in 10 cases,no light perception(NLP)in 13 cases,hand motions(HM)in 3 cases.IOP was 11±5 mm Hg.Corneal degeneration was in 3 cases and corneal endothelial dystrophy was in 7 cases.Shallow anterior chamber was in 8 cases and hyphema was in 8 cases.Organized membrane in the pupil was in 14 cases.Epiphora occurred in 3 cases.FCVB drainage tube exposed in 3 cases.All FCVBs were in their normal location and no rejection occurred.CONCLUSION:FCVB implantation is a long-term effective treatment and may provide a practical selection for severe ocular rupture.展开更多
目的通过折叠式人工玻璃体(FCVB)对小鼠神经生长因子(NGF)在体外缓释作用的研究,为FCVB能否建成眼内药物缓释系统提供初步实验依据。方法体外实验在透皮仪中进行,将4 m L浓度为3μg/ml的NGF注入FCVB,浸没于含15 m L无菌水的小烧杯中,收...目的通过折叠式人工玻璃体(FCVB)对小鼠神经生长因子(NGF)在体外缓释作用的研究,为FCVB能否建成眼内药物缓释系统提供初步实验依据。方法体外实验在透皮仪中进行,将4 m L浓度为3μg/ml的NGF注入FCVB,浸没于含15 m L无菌水的小烧杯中,收集30 min、1、2、4、8和12 h FCVB外的缓释液,用分光光度法制作NGF溶液标准曲线,并检测样品中NGF的浓度,吸收波长定为280 nm。结果实验数据显示,FCVB能够缓释NGF,并且缓释浓度随时间的延长而增长。结论 FCVB能够在体外物理缓释NGF,并且缓释浓度呈时间依赖性增长。此研究为进一步研究FCVB能否建成眼内药物缓释系统提供依据,同时为临床相应疾病的治疗提供帮助。展开更多
基金2020 Shaanxi Provincial Natural Science Basic Research Program(No.2020JM-683)2020 Scientific Research Incubation Fund of Xi’an People’s Hospital(Xi’an Fourth Hospital)(No.FZ-63).
文摘AIM:To evaluate the long-term effect of foldable capsular vitreous body(FCVB)in the treatment of severe ocular rupture to provide a practical basis for clinical selection.METHODS:A total of 26 patients(26 eyes),23 men and 3 women,with severe ocular rupture who underwent FCVB implantation between March 2018 and September 2018 were retrospectively analysed.All open ocular wounds located in zone III,with preoperative visual acuity grade IV and above(Snellen less than 4/200).The best corrected visual acuity(BCVA),intraocular pressure(IOP),cornea,anterior chamber,iris,lens,choroid,and retina were evaluated before and after the surgery.The subjective feeling and the location of FCVB were also assessed.RESULTS:The average age of the 26 patients was 36y(20-60y).Postoperative follow-up was from 10 to 14mo.At the end of follow up,BCVA was light perception(LP)in 10 cases,no light perception(NLP)in 13 cases,hand motions(HM)in 3 cases.IOP was 11±5 mm Hg.Corneal degeneration was in 3 cases and corneal endothelial dystrophy was in 7 cases.Shallow anterior chamber was in 8 cases and hyphema was in 8 cases.Organized membrane in the pupil was in 14 cases.Epiphora occurred in 3 cases.FCVB drainage tube exposed in 3 cases.All FCVBs were in their normal location and no rejection occurred.CONCLUSION:FCVB implantation is a long-term effective treatment and may provide a practical selection for severe ocular rupture.
文摘目的通过折叠式人工玻璃体(FCVB)对小鼠神经生长因子(NGF)在体外缓释作用的研究,为FCVB能否建成眼内药物缓释系统提供初步实验依据。方法体外实验在透皮仪中进行,将4 m L浓度为3μg/ml的NGF注入FCVB,浸没于含15 m L无菌水的小烧杯中,收集30 min、1、2、4、8和12 h FCVB外的缓释液,用分光光度法制作NGF溶液标准曲线,并检测样品中NGF的浓度,吸收波长定为280 nm。结果实验数据显示,FCVB能够缓释NGF,并且缓释浓度随时间的延长而增长。结论 FCVB能够在体外物理缓释NGF,并且缓释浓度呈时间依赖性增长。此研究为进一步研究FCVB能否建成眼内药物缓释系统提供依据,同时为临床相应疾病的治疗提供帮助。