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S. Nishina, E. Noda, N. Azuma; Long-Term Refractive Changes After Congenital and Developmental Cataract Surgery . Invest. Ophthalmol. Vis. Sci. 2003;44(13):216.
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Purpose: To investigate long-term refractive changes after congenital and developmental cataract surgery. Methods: Retrospective studies were conducted by reviewing 202 eyes of 126 patients after cataract surgery. The patients were divided into four groups: group 1 (bilateral congenital cases, n=41), group 2 (bilateral developmental cases, n=35), group 3 (unilateral congenital cases, n=23), and group 4 (unilateral developmental cases, n=27). Twelve developmental cases had intraocular lens implantation and the others had limbal lensectomy and anterior vitrectomy. The mean follow-up was 5.8 years (range, 6 months to 20 years). Postoperative refractive changes and visual outcome were investigated. Results: The mean (±SD) refractive change was –9.9±6.0, –3.7±3.7, –6.1±4.5, and –3.1±3.2 in group 1, 2, 3, and 4 respectively. In congenital cases of group 1 and 3, the great and variable myopic changes occurred until 2 years old (–6.1±4.8, –2.5±4.2) and between 2 to 4 years old (–3.0±2.9, –4.5±6.6), and persistent myopic changes were observed between 4 to 6 years old (–1.0±1.7, –1.8±1.6) and 6 to 8 years old (–1.3±1.2, –1.6±2.9). The eyes of poor visual outcome (<0.1) showed significantly greater myopic changes than the eyes of good visual outcome in group 1 and 3. Conclusion: The postoperative myopic changes in congenital cataracts were variable and persistent for a long period, and especially unpredictable in deep amblyopic eyes.
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