alexa Toric phakic intraocular lens: European multicenter study.
Ophthalmology

Ophthalmology

Journal of Clinical & Experimental Ophthalmology

Author(s): Dick HB, Ali J, Bianchetti M, Budo C, Christiaans BJ,

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Abstract OBJECTIVE: To evaluate safety, efficacy, predictability, stability, complications, and patient satisfaction after implantation of Artisan toric phakic intraocular lenses (TPIOLs) for the correction of myopia or hyperopia with astigmatism. DESIGN: Prospective, nonrandomized, comparative (self-controlled) multicenter trial. PARTICIPANTS: Seventy eyes of 53 patients (mean, 35 years; range, 22-59 years) with preoperative spherical equivalent between +6.50 and -21.25 diopters (D) and cylinder between 1.50 and 7.25 D. METHODS: Seventy eyes underwent implantation of a TPIOL with an optical zone of 5.0 mm (Artisan, Ophtec, Groningen, The Netherlands). The dioptric power of the intraocular lens was calculated by considering refraction, keratometry, and anterior chamber depth. The follow-up was 6 months in all cases. Lenses were available in powers ranging from +12.0 D to -23.5 D (spherical equivalent) in 0.5-D increments, with additional cylinder from 1.0 D to 7.0 D, also in 0.5-D increments. MAIN OUTCOME MEASURES: The main parameters assessed were best spectacle-corrected visual acuity (BSCVA), uncorrected visual acuity (UCVA), refraction, endothelial cell count (ECC), intraocular pressure, slit-lamp biomicroscopy, indirect ophthalmoscopy, subjective complaints, and patient satisfaction. RESULTS: Eyes were divided into group A, myopia (n = 48), with an average preoperative spherical equivalent of -8.90 +/- 4.52 D, and group B, hyperopia (n = 22), with an average preoperative spherical equivalent of +3.25 +/- 1.98 D. No eyes in either group experienced a loss in BSCVA, and 46 eyes gained 1 or more lines of their preoperative BSCVA. In 62 eyes (88.6\%), UCVA was 20/40 or better. There was a significant reduction in spherical errors and astigmatism in all cases after surgery. All eyes of both groups were within +/-1.00 D of target refraction, and 51 eyes (72.9\%) were within +/-0.50 D of target refraction. There was a 4.5\% mean total loss of ECC during the first 6 months. No serious complications were observed. Overall patient satisfaction was very high. CONCLUSIONS: Six-month clinical trial results demonstrate that implantation of the Artisan TPIOL safely, predictably, and effectively reduced or eliminated high ametropia and astigmatism with one procedure. The refractive effect was stable at 6 months after surgery.
This article was published in Ophthalmology and referenced in Journal of Clinical & Experimental Ophthalmology

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