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Session Title: Phakic IOL Implantation I
Session Date/Time: Tuesday 08/10/2013 | 14:00-16:00
Paper Time: 14:48
Venue: Main Lecture Hall (Ground Floor)
First Author: : F.Majo SWITZERLAND
Co Author(s): : P. Othenin-Girard T. Cherbuin V. Mouvet
To assess the safety, efficacy, predictability, stability and complications after implantation of V4 ICL (Implantable Collamer Lenses) to correct high myopia and low-level astigmatism.
Very long follow-up, retrospective study, monocenter study and two surgeons.
Men and women implanted with ICL between January 1999 and August 2004. Outcomes measures were uncorrected and corrected distance visual acuities (UDVA) (CDVA) and refraction. Safety, efficacy, predictability, stability and complications after implantation were assessed.
62 eyes of 34 patients, with a mean age of 36.8 years, were implanted (30 men and 32 women). Preoperative mean spherical equivalent was -12.13 +/- 2.98 dioptres and mean astigmatism was -1.35 +/- 1.13 dioptres. Safety: 2% of patients lost 2 lines or more. Efficacy: 63% of patients got an UDVA more than 20/40. Predictability: 49% of eyes were within +/- 0.5 dioptre and 76% within +/-0.5 dioptre of attempted correction. Stability: 30.43% got a refraction that had changed of more than 1 dioptre. Complications: 32.26% of subcapsular anterior opacities, 16.13% of surgeries for cataract, 15% of patients with a treatment for ocular hypertension and 75.47% of eyes with pigmentation of the trabeculum. No cases got less than 2000 endothelial cells per mm2 and 33% of the cases got between 2000 and 2300 cells per mm2. Correlations between complications and age or vaulting were also evaluated.
ICL is a safe and efficient technique to correct high myopia. Tolerance of the eye to this soft foreign body is important. In spite of the 16.13% of cases with a cataract, service provided to the myopic patients with this technique is high. Other options to correct high myopia are clear lens exchange and anterior phakic lenses that generate also adverse events like: retinal detachment or endothelial cell loss.
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