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Effect of trabeculectomy on the accuracy of intraocular lens calculations in patients with open-angle glaucoma

Authors
 Hyoung Won Bae  ;  Yun Ha Lee  ;  Do Wook Kim  ;  Taekjune Lee  ;  Samin Hong  ;  Gong Je Seong  ;  Chan Yun Kim 
Citation
 CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY, Vol.44(6) : 465-471, 2016 
Journal Title
 CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY 
ISSN
 1442-6404 
Issue Date
2016
MeSH
Aged ; Aged, 80 and over ; Axial Length, Eye/anatomy & histology ; Biometry* ; Female ; Glaucoma, Open-Angle/surgery* ; Humans ; Intraocular Pressure/physiology ; Lens Implantation, Intraocular* ; Lenses, Intraocular* ; Male ; Middle Aged ; Optics and Photonics/standards* ; Phacoemulsification* ; Postoperative Complications ; Refractive Errors/diagnosis ; Reproducibility of Results ; Retrospective Studies ; Trabeculectomy* ; Visual Acuity/physiology
Keywords
cataract surgery ; combined surgery ; open-angle glaucoma ; power prediction ; trabeculectomy
Abstract
BACKGROUND: The objective of the study is to examine the effect of trabeculectomy on intraocular lens power calculations in patients with open-angle glaucoma (OAG) undergoing cataract surgery. DESIGN: The design is retrospective data analysis. PARTICIPANTS: There are a total of 55 eyes of 55 patients with OAG who had a cataract surgery alone or in combination with trabeculectomy. METHODS: We classified OAG subjects into the following groups based on surgical history: only cataract surgery (OC group), cataract surgery after prior trabeculectomy (CAT group), and cataract surgery performed in combination with trabeculectomy (CCT group). MAIN OUTCOME MEASURES: Differences between actual and predicted postoperative refractive error. RESULTS: Mean error (ME, difference between postoperative and predicted SE) in the CCT group was significantly lower (towards myopia) than that of the OC group (P?=?0.008). Additionally, mean absolute error (MAE, absolute value of ME) in the CAT group was significantly greater than in the OC group (P?=?0.006). Using linear mixed models, the ME calculated with the SRK II formula was more accurate than the ME predicted by the SRK T formula in the CAT (P?=?0.032) and CCT (P?=?0.035) groups. CONCLUSIONS: The intraocular lens power prediction accuracy was lower in the CAT and CCT groups than in the OC group. The prediction error was greater in the CAT group than in the OC group, and the direction of the prediction error tended to be towards myopia in the CCT group. The SRK II formula may be more accurate in predicting residual refractive error in the CAT and CCT groups.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/ceo.12704/abstract
DOI
10.1111/ceo.12704
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Do Wook(김도욱)
Kim, Chan Yun(김찬윤) ORCID logo https://orcid.org/0000-0002-8373-9999
Bae, Hyoung Won(배형원) ORCID logo https://orcid.org/0000-0002-8421-5636
Seong, Gong Je(성공제) ORCID logo https://orcid.org/0000-0002-5456-4296
Lee, Taek June(이택준)
Hong, Sa Min(홍사민)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/153134
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