Clinical research on toric implantable collamer lens for patients with high myopic astigmatism

AIM: To evaluate the efficacy, safety and stability of toric implantable collamer lens(TICL)for patients with high myopic astigmatism. METHODS: Totally 15 patients(30 eyes)undergoing TICL placement were included. The uncorrected visual acuity(UCVA), corrected distance visual acuity(CDVA), refraction,intraocular pressure, endothelial cell counts and complications were regularly observed on 1 month, 3, 6 and 12 months post-operation. RESULTS: All eyes had a significant increase in UCVA. 12 months after surgery, 27 eyes(90%)achieved UCVA better than 1.0. 28 eyes(93%)had a spherical equivalent(SE)within ±0.5D. None lost one or more lines of CDVA. 30 eyes changed within ±0.5D when comparing 1 month and 12 months. Postoperative endothelial cell density did not show a significant difference from preoperative measurements(P=0.31). Complications were not found after surgery. CONCLUSION: TICL appears to be safe and effective for correction of high myopic astigmatism.