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Study shows improved postop results with in-the-bag secondary IOL implantation
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BOSTON — In-the-bag secondary IOL implantation causes less inflammation and corneal edema in the immediate postoperative period than sulcus implantation, according to a speaker here.
In a retrospective chart review of 49 eyes of 32 patients, 22 eyes had secondary IOL implantation in the sulcus, and 27 eyes were implanted in the bag. Postop inflammation graded 2+ by investigations was more common in eyes with sulcus implantation (n = 20; 91%) than in eyes with in-the-bag implantation (n = 9; 33.3%), Bharti R. Nihalani, MD, said at the annual meeting of the American Society of Cataract and Refractive Surgery. Persistent corneal edema was noted in 10 eyes in the sulcus group and seven eyes in the in-the-bag group.
An in-the-bag fixation was attempted in all cases, and sulcus implantation was used as a fallback technique if the capsular leaflets could not be adequately opened, Dr. Nihalani said.
Although refractive outcomes were similar between the two groups, and no eye lost lines of vision, in-the-bag fixation was less variable in mean absolute prediction error, or the value of predicted refraction minus actual refraction. In the in-the-bag group, mean prediction error was 1.03 ± 0.17 D, whereas in the sulcus fixation group, it was 0.85 ± 0.52 D.
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