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Implantable collamer lens V4b model for moderate and high myopia: one year follow-up

Poster Details

First Author: T.Ferrer-Blasco SPAIN

Co Author(s):    J. Alfonso   L. Fernández-Vega   C. Lisa   R. Montes-Mico     

Abstract Details


mplantable Collamer Lens V4b model for moderate and high myopia: one year follow-up.


Fernandez-Vega Ophthalmological Institute, Oviedo, Spain


Uncorrected (UDVA) and corrected distance visual acuity (CDVA), refraction, ICL vault and adverse effects were evaluated 12 months after ICL V4b implantation in 121 eyes of 68 patients


Twelve months postoperatively, the mean spherical equivalent dropped from -7.73 diopters (D) ± 3.33 (range -1.37 to -17.25 D) preoperatively to 0.08 ± 0.26 D (range 0.75 to -0.75), where 92 eyes (75.4%) were within ± 0.25 D and more than 80% of eyes were within ± 0.50 D of the target (r2=0.98). The mean Snellen decimal UDVA and CDVA were 0.91 ± 0.17 and 0.97 ± 0.09, respectively. Eighty eyes (66%) achieved UDVA of 20/20 or better and 115 eyes (95%) had UDVA of 20/40 or better; the efficacy index was 0.96 ± 0.14. One-hundred and three eyes (85.1%) achieved CDVA of 20/20 or better and all eyes evaluated had CDVA of 20/40 or better. No eyes lost any lines of CDVA and 22 eyes (18%) gained 1 or more lines of CDVA; the safety index was 1.04 ± 0.10. No intraoperative complications.


The outcomes of predictability, safety and effectiveness of V4b ICL model are good and comparable with previous ICL models throughout 12 moths follow-up. These results suggest the V4b ICL model is a right option to correct moderate to high levels of myopia. FINANCIAL INTEREST: NONE

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