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Clinical observations of implantation of new phakic implantable collamer lens with a central hole (V4c) in treatment of adult amblyopia

Poster Details

First Author: P.Sun CHINA

Co Author(s):                        

Abstract Details


To observe and examine the clinical efficacy and value of implantation of phakic implantable collamer lens (ICL V4c) in treatment of adults with ametropia and amblyopia.


Kunming Aier Eye Hospital


Retrospective analysis of 36 patients (70 eyes) with moderate to high myopia and amblyopia who underwent implantation with new ICL V4c with a central hole from December 2015 to December 2016. Follow-up examinations on uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), refractive error, intraocular pressure (IOP), endothelial cell count, and vault were performed until 6 months after surgery.


At 6 months postoperatively, UDVA of 100% of eyes achieved or exceeded the best CDVA before surgery, and 85.7% of patients had an improvement of 2 lines or more. The preoperative spherical equivalent (SE) of patients was −11.31 ± 4.41 D, and SE at 6 months after surgery was −0.20 ± 0.87 D, respectively. Postoperative IOP was stable and there were no complications, such as glaucoma. The mean corneal endothelial cell count was 2691.94 ± 400.09 cells/mm2 preoperatively, and 2682.65 ± 315.83 cells/mm2 at 1 month after surgery, with no statistically significant difference observed (P > 0.05).


ICL V4c implantation for treatment of adult moderate to high myopia with amblyopia was found to be safe, effective, and predictable.

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