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OBJECTIVE: To investigate the method of cataract extraction in eyes that had undergone glaucoma filtering surgery, and its effects on filtering bleb. METHODS: Phacoemulsification with posterior chamber intraocular lens implantation was performed in 262 eyes with a pre-existing filtration bleb, in which a lateral or inferior lateral limbal incision was made at the temporal clear cornea, the pupil sphincter was cut and the iris was used for the small and fixed pupil. RESULTS: The postoperative visual acuity of all patients improved to different degrees, with ≥0.5 in 74.0% in the first month. The postoperative intraocular pressure increased by 3.08 mmHg. Functional filtering blebs were apparently not cicatrized. CONCLUSIONS: Glaucomatous eyes with cataract after filtering operations can recover their visual acuity and maintain the functional filtering bleb by phacoemulsification with foldable intraocular lens implantation through a temporal clear corneal incision or lateral scleral pocket incision. Theoretically, the effect of a transparent corneal incision on filtering blebs is less than that of a scleral pocket incision.LA: Chinese
Dr. Y. Liu, Zhangshan Ophthalmic Center, Sun Yat-sen University of Medical Sciences, Guangzhou 510060, China
12.12.3 Phacoemulsification (Part of: 12 Surgical treatment > 12.12 Cataract extraction)