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Efficacy and safety of implantable collamer lens implantation in moderate to high myopic astigmatism

Poster Details

First Author: M.Anticic CROATIA

Co Author(s):    M. Bohac   M. Koncarevic   A. Barisic   N. Gabric     

Abstract Details

Purpose:

To evaluate efficacy and safety of implantable collamer lens (ICL) implantation in moderate to high myopic astigmatism.

Setting:

Specialty Eye Hospital “Svjetlost”, Zagreb, Croatia School of Medicine University of Rijeka, Rijeka, Croatia

Methods:

Ongoing prospective nonrandomized observational study started in February 2013. 69 eyes (40 patients) completed 12 months follow up. Mean age of patients was 30±5 years (range 19 to 45). Preoperative examination and postoperative follow up included measurement of sphere and cylinder refraction, uncorrected (UDVA) and corrected distance visual acuity (CDVA), aberrometry, intraocular pressure (IOP), anterior chamber depth (ACD) and endothelial cell count (ECC). Slit lamp and dilated funduscopic examination were also performed. The postoperative results at 12 months were compared to baseline values. Student t-test was used for statistical analysis with 5% significance.

Results:

There was no statistically significant difference between preoperative CDVA and postoperative UDVA at 12 months follow up. The mean sphere decreased from -10,15 ±3,35D (-16,25 to -5,75) to -0,25±0,4D (-0,75 to +0,50) and the mean cylinder decreased from -2,63±1,05D (-4,50 to -1,0) to -0,29±0,6D (-1,00 to +0,75) at one year. Mean IOP increased for 1,3mmHg in the first postoperative week. At 3 months IOP returned to baseline values. Mean percentage of endothelial cell loss was 5,1% at 1 year. Changes in average values for coma, trefoil and spherical aberration were not significant for 5mm pupil.

Conclusions:

ICL implantation showed excellent refractive and visual results with high predictability and fast visual recovery. Surgical and early postoperative complications were low. Longer follow up and larger series of patients are needed to evaluate late postoperative complications and safety for crystalline lens and corneal endothelium. Lifelong follow up of these patients is mandatory.

Financial Disclosure:

NONE

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