Abstract
Objective To evaluate the safety and effectiveness of the Tetraflex accommodative intraocular lens (IOL) in providing both enhanced distance and near acuity. Methods Twenty-nine patients (30eyes) with age-related cataract underwent phacoemulsification and were implanted with Tetraflex IOL, while other 26 patients (30 eyes) were implanted with IQ. Prospective data collection included both uncorrected distance visual acuity (UCDVA) and uncorrected near visual acuity (UCNVA) testing, manifest refraction, best-corrected distance visual acuity (BCDVA), distance corrected near visual acuity (DCNVA), and the amplitude of accommodation. Intraoperative and postoperative complications also were reported. Results At 6 months after surgery, the uncorrected distant, corrected distant and corrected near visual acuity had no significant differences between two groups (t =1.667, 1.458, 1.207, P >0.05). The uncorrected near and distance corrected near visual acuity of Tetraflex group were better than IQ (t =2.407, 8.667, P <0.01). The retinoscopic accomodative range was (2.79±0.33)D in IQ group and (1.42±0.25)D in IQ group (t =15.218, P <0.001). Conclusions The Tetraflex accommodating IOL is safe and effective. It provides enhanced near vision with good distance vision 6 months after surgery. Key words: Phacoemulsification; Intraocular lens; Accomodative
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