简介：目的通过对白内障复明手术500例术后的早期观察,分析大规模短时间集中开展白内障手术的方法.方法经过病人的组织筛选、手术对象的确定、严格的术前检查,确定500例适合手术的白内障病人,视力在0.1以下,无全身及眼部手术禁忌症,采取小切口白内障手术方式.结果术后第一天裸眼视力≥0.3的245例,＜0.3而≥0.05的210例,＜0.05的45例.术中术后主要并发症有角膜水肿、玻璃体脱出、虹膜损伤和前房出血等,无其他严重并发症.结论大规模短时间集中开展白内障手术,要有政府重视、严格的术前检查、先进的手术方式、严格的术后观察和相应的术后处理,重视每个环节,才能确保手术的成功.并应注重远期随访.

简介：AIM:Tocomparetheeffectoftopicallyadministeredandsubconjunctivallyinjectedbevacizumabonexperimentalcornealneovascularizationinratsfortwoweeksaftertreatment.METHODS:Twenty-eightSprague-Dawleyratsweredividedintofourgroupsof7animals.Eachcornealcenterofrighteyewascauterizedwithsilver/potassiumnitratefor8s.Aftercornealburning,bevacizumab(12.5mg/mL)wastopicallyadministeredthreetimesperday(TBgroup)fortwoweeksorsubconjunctivallyinjectedondays2and4aftercauterization(0.02mL;SBgroup).Asnegativecontrols,ratsreceived0.9%salinetopicallythreetimesperday(TSgroup)orsubconjunctivallyondays2and4(0.02mL;SSgroup).Digitalphotographsofthecorneaweretaken1and2weeksaftertreatmentandanalyzedtodeterminetheareaofcorneacoveredbyneovascularizationasthepercentageofcornealneovascularization.RESULTS:Oneweekaftertreatment,thepercentageofcornealneovascularizationwassignificantlylowerintheTBandSBgroupsthanintheTSandSSgroups(allP<0.05).Twoweeksaftertreatment,thepercentageofcornealneovascularizationwassignificantlylowerintheTBgroupthanintheTSgroup(P<0.05).Inallgroups,thepercentageofneovascularizationwasdecreasingastimepassed(allP<0.05)CONCLUSION:Topicallyadministeredbevacizumabhaslongerstandinganti-angiogeniceffectthansubconjunctivallyinjectedbevacizumabincornealneovascularizationfollowingchemicalinjuryinrats.