Phakic anterior chamber lenses for the correction of myopia: A 7-year cumulative analysis of complications in 263 cases1
Section snippets
Patients
Two hundred sixty-three eyes implanted with angle-supported PIOLs since October 1990 were included in this study. All patients were consecutively operated on and followed since their implantation by the same physician in a controlled study. The indications for PIOL implantation were stable axial myopia not treatable by corneal refractive surgery techniques used at our institution; age younger than 50 years and older than 20 years; anterior chamber depth of at least 3.4 mm; central corneal
Results
A total of 263 PIOL consecutively implanted eyes were included in this study; 157 of the ZB5M model, 80 of the ZB5MF model, and 26 of the ZSAL-4 model bilateral implants were used in 103 patients. When bilateral implants were performed, the same PIOL model was selected for both eyes. Table 1 lists the number of patients in each group being followed from a minimum of 1 year to a maximum of 7 years. The mean follow-up time for patients in this study was 4.89 ± 2.7 years with a range from 1.2 to
Discussion
The correction of ocular refractive errors by the implantation of PIOLs offers advantages over other refractive surgical techniques that have allowed this procedure to remain as a viable alternative to refractive surgery despite its previous controversial and conflicting history. Phakic intraocular lenses have a well-defined advantage over corneal refractive surgery, especially in moderate and high myopia. Sophisticated refractive surgery techniques such as laser in situ keratomileusis lead to
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Ten-year clinical outcomes after implantation of a posterior chamber phakic intraocular lens for myopia
2019, Journal of Cataract and Refractive SurgeryLong-term safety follow-up of an anterior chamber angle-supported phakic intraocular lens
2017, Journal of Cataract and Refractive SurgeryCitation Excerpt :A retrospective study of pIOL explantation in 226 patients found that endothelial cell loss resulted in an explantation rate of 16% for angle-supported pIOLs and 8% for iris-fixated pIOLs.19 Other long-term studies reported pupil ovalization, which was found in 35% of eyes with the ZB5M pIOL during a 12-year follow-up and in 6% of eyes with a ZB5M, ZB5MF, or ZSAL-4 pIOL during a 7-year study.15,16 Iris atrophy, anterior uveitis, cataract, and increased intraocular pressure have also been reported in eyes with AC pIOLs.15,16,20
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The authors have no financial interest in any aspect of this article.