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Short-term results of the new version of phakic implantable collamer posterior chamber intraocular lenses to correct myopia

Poster Details

First Author: P.Fernandes PORTUGAL

Co Author(s):    J. Alfonso   C. Lisa   J. Gonz   R. Mont     

Abstract Details


To evaluate safety, efficacy and predictability of the new version of the Implantable Collamer Lens (ICL V4b) to correct myopia.


Fernįndez-Vega Ophthalmological Institute. Oviedo. Spain


This cohort study included 121 eyes of 111 patients, mean spherical equivalent (SE) -8.61±3.41 diopters (D) (range: -2.25 to -18.75 D) who underwent implantation of the new version of the ICL V4b. Uncorrected distance visual acuity (UDVA), refraction, corrected distance visual acuity (CDVA), central vault, and postoperative complications were evaluated at 3 months.


At 3 months the mean Snellen UDVA was 0.91±0.17 and mean CDVA was 0.97±0.09; 84.3% and 95.9% of eyes achieved 20/25 or better UDVA and CDVA respectively. No eyes lost lines of CDVA; 17.4% gained 1 or more lines of CDVA. Postoperative UDVA was equal or better than preoperative CDVA in78.7% of the eyes. The mean postoperative SE was -0.22±0.35 D (range -1.50 to 0.50) with 96% of the eyes within ±1.00 D and 91% within ±0.50 D. Efficacy and safety indices were 0.96 and 1.04 respectively. The mean central vault was 459±226µm (95% CI: 411 to 505 µm); it was ? 100µm in 6.5 % of eyes and between 300 and 750 µm in 78% of eyes.


This short-term study confirms the new version of the ICL as a safe and effective procedure providing predictable refractive results. It was not observed any postoperative complications and important safety concerns were not identified. FINANCIAL DISCLOSURE?: No

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