Abstract: Objective To research the influence of capsular tension ring (CTR) on post-operation refraction in lens subluxation patients combined with high myopia.  Design Retrospective case series. Participants 20 patients (20 eyes) with high myopia were performed phacoemulcificatioan and IOL implantation as control group. 20 patients (20 eyes) with high myopia were performed phacoemulcification, IOL and CTR implantation as observed group. All patients came from Beijing Tongren Hospital in Jan. 2013 to Dec. 2013. Method The visual acuity, intraocular pressure, corneal endothelium, and refraction before and after surgery in both groups were reviewed and compared. Main Outcome Measures Visual acuity, intraocular pressure, coneal endothelium, and refrection predication error. Results Predicative refractive degree in observed group and control group was (-1.29±0.34) D, (-1.16±0.39) D (P=0.31). Refractive prediction error in observed group and control group in 3 months after phacoemulcification was (1.38±0.43) D, (1.71±0.32) D, respectively (P=0.06). There was no hyperopia error in two groups after phacoemulcification. Conclusion Capsular tension ring implantation had no significant effect on refractive error in lens subluxation patients combined with high myopia. There is no necessity to additional adjusting IOL calculating formula in these patients.  (Ophthalmol CHN, 2014, 23: 267-271)

Key words: capsular tension ring, high myopia, lens subluxation, refractive predication error