Toric Intraocular Lens Combined with Capsular Tension Ring Implantation in Treatment of Cataract in Combination with High Myopia and Corneal Astigmatism
Objective To examine the clinical outcome and stability of Toric intraocular lens(IOL)combined with capsular tension ring(CTR)implantation in the treatment of cataract in combination with high myopia and corneal astigmatism.Methods By using a historical study,clinical data from 54 patients(76 eyes)with high myopia and regular corneal astigmatism who under-went cataract phacoemulsification in Wuhan First Hospital were analyzed.Among these patients,31 patients(38 eyes)received co-implantation with Toric IOL and CTR(combined group),and 23 patients(38 eyes)were simply implanted with Toric IOL(control group).Preoperative and postoperative visual acuity,corneal endothelial cell count,IOL rotation,residual astigmatism,and complications were compared between the two groups 6 months after surgery.Results After 6 months of follow-up,post-operative uncorrected distance visual acuity(UCVA)and best corrected visual acuity(BCVA)were significantly improved in both groups when compared with those before operation(P＜0.05).The postoperative UCVA(LogMAR)was significantly better in combined group than that in control group[(0.34±0.15)vs.(0.46±0.25),P＜0.05].At 1-week,1-month,3-month and 6-month,astigmatism indicators in combined group were(0.38±0.31),(0.45±0.25),(0.47±0.23)and(0.56±0.26),re-spectively,which were significantly lower than those in control group(all P＜0.05).The mean rotation of the IOL at the end of 6 months of follow-up in combined group was significantly lower than that in control group[(2.63±0.94)°vs.(4.00±1.43)°,P＜0.05].No significant differences in corneal endothelial cell counts between the two groups was observed at each time point(all P＞0.05).The overall incidence of postoperative complications in combined group was lower than that in control group.Conclusion In cataract patients with high myopia and corneal astigmatism,combined therapy of Toric IOL and CTR a-chieves better rotation stability,improves visual quality,and reduces the occurrence of complications.
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