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  • Title: Functional vision with bilateral ReZoom and ReSTOR intraocular lenses 6 months after cataract surgery.
    Author: Chiam PJ, Chan JH, Haider SI, Karia N, Kasaby H, Aggarwal RK.
    Journal: J Cataract Refract Surg; 2007 Dec; 33(12):2057-61. PubMed ID: 18053904.
    Abstract:
    PURPOSE: To compare the visual outcomes in patients with bilateral implantation of AcrySof ReSTOR multifocal intraocular lenses (IOLs) (Alcon Laboratories) or ReZoom multifocal IOLs (Advanced Medical Optics) 6 months after cataract surgery. SETTING: Orsett and Southend Hospital, Essex, United Kingdom. METHODS: This study comprised patients who had uneventful bilateral cataract extraction with implantation of ReZoom (n = 50) or ReSTOR (n = 50) multifocal IOLs. Parameters analyzed included binocular uncorrected distance, intermediate, and near acuities; spectacle independence; subjective visual symptoms; and patient satisfaction. All parameters were evaluated 6 months after second-eye surgery. RESULTS: All patients had binocular uncorrected distance visual acuity of 20/32 or better; there was no statistically significant difference between the 2 groups. The mean binocular uncorrected near acuity was 20/26 (J1.22) in the ReSTOR group and 20/34 (J2.34) in the ReZoom group (P<.0001). The mean binocular uncorrected intermediate visual acuity was 20/42 and 20/34, respectively (P = .003). Patients in the ReZoom group reported greater satisfaction with intermediate vision (P = .04). No statistically significant difference was found in satisfaction with near vision. Eighty-six percent of ReSTOR patients and 70% of ReZoom patients did not wear glasses for daily activities; the overall satisfaction was not statistically significantly different between groups. There was no significant difference between groups in photic phenomena. CONCLUSIONS: The ReSTOR IOL provided better near vision and the ReZoom IOL better intermediate vision. Both multifocal IOLs gave excellent distance vision. Photic phenomena were comparable and clinically acceptable. ReSTOR patients had greater spectacle independence for near vision and ReZoom patients for intermediate vision. Overall spectacle independence was not statistically significantly different.
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