杭州市残联老年人白内障术后低视力原因分析

Reasons for low vision after surgery of elderly cataract patients of Disabled Persons＇ Federation in Hangzhou

回顾分析2008年至2012年杭州市残联老年人白内障518例856眼的临床资料。69眼（8．06％）发生角膜水肿，是术后早期低视力的主要因素；23眼（2．69％）发生后发性白内障，是术后中、远期低视力的重要因素；120眼非手术因素造成低视力的原因依次为糖尿病性视网膜病变48眼（40．00％），老年性黄斑变25眼（20．80％），高度近视性视网膜病变17眼（14．20％），青光眼性视神经病变16眼（13．30％），黄斑前膜、黄斑裂孔5眼（4．20％），弱视，角膜白斑等9眼（7．50％）。眼底病变是导致白内障术后低视力的主要原因，而手术仍是目前治疗白内障最有效的方法之一。

Retrospective analyses of clinical data were performed for 518 elderly cataract patients （856 eyes） of Disabled Persons＇ Federation in Hangzhou, Zhejiang Province. For 69 eyes （8. 06% ）, corneal edema was a major factor of low vision during early postoperative period; for 23 eyes （2. 69% ）, delayed cataract was an important cause of low vision during long-term postoperative period. The best corrected visual acuity of 120 eyes caused by nonsurgical factors was diabetic retinopathy （48 eyes ,48.00% ）, senile macular degeneration （25 eyes, 20. 80% ）, high myopia retinopathy （ 17 eyes, 14. 20% ）, optic never injury in glaucoma （ 16 eyes, 13.30% ）, macular membrane ＆ hole （ 5 eyes, 4. 20% ） and amblyopia ＆ corneal leucoma （9 eyes, 7.50% ）. Retinal disease is the most important reason of low vision after cataract surgery. And surgery remains the most effective treatment for cataract.