Outcome of Implantable Collamer Lens (ICL) Implantation in Patients with High Myopia in Iraq

Abstract

Aim: To study the visual outcome and the possible complications following implantable collamer lenses implantation (ICL) in patients with high myopia.Methods: Thirty eyes of 15 patients(8 males and 7 females) with myopia ranging from -9 to -19 Diopters underwent the procedure of implantable collamer lens implantation between February 2010 and July 2010 in Ramadi city, Iraq . The mean age was 26.7 ± 5.58 years. Detailed ophthalmological examination was carried out for all patients including preoperative visual acuity (uncorrected and the best spectacle corrected visual acuity), slitlamp examination, fundus examination, intraocular pressure measurement, corneal topography, anterior chamber depth, Pachymetry and horizontal corneal diameter (white to white distance). Results: The uncorrected visual acuity of 6/18 or better was achieved in 90% (27 eyes) after six months from the ICL implantation. This study showed that the preoperative best spectacle corrected visual acuity (BSCVA) was 6/6 in 40% (12 eyes), 6/9 in 33% (10 eyes), 6/12 in 10% (3 eyes), 6/18 in 10% (3 eyes) and 6/24 in 6.6% (2 eyes). Postoperatively, we found that the uncorrected visual acuity (UCVA) was 6/6 in 36% (11 eyes), 6/9 in 36% (11 eyes), 6/12 in 10% (3 eyes), 6/18 in 10% (3 eyes), and 6/24 in 6.6% (2 eyes). Intraocular pressure was measured at each postoperative visit i.e. the first postoperative day, the third postoperative day, the seventh postoperative day, after one month, after two months, after three months and after six months. The mean intraocular pressure was 19.93 ±4.83 mmHg, 15.50 ±1.85 mmHg, 15.07 ±1.51 mmHg, 14.63 ±1.73 mmHg, 14.57 ±1.77 mmHg, 14.23 ±1.74 mmHg, 14.13 ±1.55 mm Hg, respectively. Conclusion: Implantable collamer lenses implantation is a reliable solution for patients with high myopia . The procedure showed predictable results and it is safe with no serious complications. However, longer period of follow up is needed.