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目的 :探讨玻璃体切除术后的白内障手术技巧及术式的选择。方法 :玻璃体腔灌注维持眼内压 ,行白内障囊外摘除或超声乳化或 (和 )人工晶体植入术。结果 :本文对 18例玻璃体切除术后白内障患者中 ,8例行囊外摘除及人工晶体植入术 ,5例行超声乳化及人工晶体植入术 ,5例单纯囊外摘除术。 13例术后视力≥ 0 . 1占 72 % ;8例视力≥ 0 . 3占 4 4 % ,术后视力无改善及下降者 5例占 2 7. 7%。手术并发症有晶体核脱位至玻璃体腔内 1例、玻璃体出血 1例。结论 :玻璃体切除术后的白内障手术必须应用玻璃体腔液体灌注维持及调整眼内压 ;对于白内障核硬化明显的患者 ,白内障囊外摘除比超声乳化更适用。
Objective: To explore the cataract surgery techniques and surgical procedures after vitrectomy. Methods: Intravitreal infusion of vitreous cavity was maintained, extracapsular cataract extraction or phacoemulsification and / or intraocular lens implantation were performed. Results: Eighteen patients with cataract after vitrectomy were enucleated by extracapsular and intraocular lens implantation, phacoemulsification and intraocular lens implantation were performed in 5 cases, and extracapsular enucleation was performed in 5 cases. 13 cases accounted for 72% of visual acuity ≥0.1; 8 cases of visual acuity ≥0.3 4 4%, no improvement of visual acuity and decreased in 5 cases accounted for 27.7%. Complications of surgery were crystal nucleus dislocation to the vitreous cavity in 1 case, vitreous hemorrhage in 1 case. CONCLUSIONS: Intraocular pressure must be maintained and adjusted by intravitreal fluid infusion following cataract surgery after vitrectomy. Extracapsular cataract extraction is more appropriate than phacoemulsification in patients with significant cataract sclerosis.