The analysis of predicted capsular bag diameter using modified model of capsule measuring ring in Asians

Clinical & Experimental Ophthalmology
Jin-Hyoung KimMoo-Suk Lee

Abstract

This study measured the capsular bag diameter (CBD) of Asian eyes using a modified capsular measuring ring (CMR) after cataract surgery, and identified preoperative predictive factors for postoperative CBD and the change of capsular bag diameter after surgery. This prospective study followed 25 eyes undergoing cataract surgery inserted with a CMR before intraocular lens (IOL) implantation at the Department of Ophthalmology, Ilsan Paik Hospital, Inje University, Republic of Korea. Axial length (AL), anterior chamber depth (ACD), lens thickness, corneal power and corneal size were measured preoperatively. CBD was calculated using the CMR in a dilated state at postoperative 1 day, 1 week, 1 month, 2 months, and 1 year. AL (R = 0.713) and ACD (R = 0.402) were found to positively correlate with CBD at postoperative 1 week. AL (P < 0.001) and ACD (P = 0.046) were found to be predictors of CBD. The mean CBD gradually decreased to 11.30 +/- 1.76 mm at 1 day, 10.86 +/- 1.06 mm at 1 week, 10.23 +/- 1.43 mm at 1 month, 9.88 +/- 1.31 mm at 2 months, and 9.85 +/- 1.43 mm at 1 year. CBD size could be determined using a CMR implanted during surgery. AL and ACD were predictors of postoperative CBD. Predicting CBD in this way may assist in sele...Continue Reading

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Citations

Mar 1, 2013·Journal of Refractive Surgery·Lucia BascaranItziar Martinez-Soroa
Aug 26, 2010·Clinical & Experimental Optometry : Journal of the Australian Optometrical Association·Phillip J BuckhurstShehzad A Naroo
Aug 20, 2014·Journal of Cataract and Refractive Surgery·Rita MencucciUgo Menchini
Feb 13, 2019·Korean Journal of Ophthalmology : KJO·Yu Jeong KimMee Kum Kim
Oct 17, 2020·Journal of Cataract and Refractive Surgery·Xiangjia ZhuYi Lu

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