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¹Vakıf Gureba Eğitim ve Araştırma Hastanesi, İstanbul, Asist. Dr.
²Vakıf Gureba Eğitim ve Araştırma Hastanesi Başasistan, İstanbul, Uzm. Dr.
³Vakıf Gureba Eğitim ve Araştırma Hastanesi Klinik Şef Muavini, İstanbul, Uzm. Dr. Purpose: To evaluate the long-term results of angle-supported anterior chamber phakic intraocular lens (IOL) implantation in high myopic eyes.
Materials and Methods: Into 16 eyes of 9 high myopic patients (5 men and 4 women) angle-supported anterior chamber phakic 6.0 mm optic IOLs (Phakic 6H IOL; Ophthalmic Innovations International, Inc.) were implanted. The diopters of IOLs were calculated according to phakic 6H diopter formula. A 6 mm temporal limbal tunnel incision was created under general anesthesia. After the anterior chamber was deepened with a viscoelastic device (Healon GV) Phakic 6H was implanted onto the angle. After the operation the IOL-endothelium distance within the anterior chamber was measured. Long-term results were analyzed.
Results: The mean age of patients was 29.3±5.3 years (22-39 years). The mean follow-up time was 44.2±3.6 months (39-51 months). The mean corrected visual acuity (CVA) with Snellen chart before the operation was 0.4±0.2 (0.1- 0.7), the mean spherical equivalent was -14.45±3.4 D (-11.5, -18.5D), and the mean anterior chamber depth was 3.48±0.2 mm (3.2-3.86 mm). There were no intraoperative complications. The mean corrected visual acuity (CVA) based on the Snellen chart after the operation was 0.5±0.2 (0.1-0.8). No retinal detachments were observed in any of the eyes. In one case ovalization of the pupil was observed. The mean spherical equivalent was -1.0±0.7 D (0.5-2.00 D) and in 70% of eyes the refraction limit was within ±1.0 D.
Conclusion: The use of anterior chamber phakic IOL is an acceptable choice for the treatment of high myopia in appropriate eyes. Keywords : Phakic intraocular lens, high myopia