求翻译：回顾2008年~2011年行玻璃体切除手术或玻璃体切除联合硅油填充手术共217例221只眼术后出现高眼压患者进行总结、分析，讨论其发生原因及处理方法。是什么意思？

Review 2008-~2011-year line of vitrectomy surgery or vitrectomy with silicone oil tamponade total of 217 cases of patient with high intraocular pressure after 221 eye to summarize, analyze, discuss their reasons and treatment methods.