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Clinical Outcomes Following Implantation of Diffractive Multifocal Intraocular Lenses With Varying Add Powers

 Jin Sun Kim ; Ji Won Jung ; Tae-im Kim ; Eung Kweon Kim ; Kyoung Yul Seo ; Ji Min Lee 
 American Journal of Ophthalmology, Vol.160(4) : 702~709, 2015 
Journal Title
 American Journal of Ophthalmology 
Issue Date
PURPOSE: To compare clinical outcomes after implantation of TECNIS diffractive multifocal intraocular lenses (IOLs) with different add powers. DESIGN: Prospective, comparative, interventional case series. METHODS: Subjects underwent cataract extraction and diffractive multifocal IOL implant. Subjects had an additional add power of +2.75 diopters (D) (Group 1, 23 eyes), +3.25 D (Group 2, 21 eyes), or +4.00 D (Group 3, 21 eyes). Evaluations were performed 1 and 3 months following cataract surgery, including measurement of monocular uncorrected distance visual acuity (UDVA), refractive error (manifest refraction [MR]), and monocular uncorrected near visual acuity (UNVA) at 33, 40, and 50 cm. At 3 months, internal aberrations and contrast sensitivity were evaluated and subjects completed a questionnaire on outcomes satisfaction, visual symptoms, and spectacle use. RESULTS: Sixty-five eyes (43 subjects) were included. After surgery, no significant differences between groups were observed in UDVA and MR values. UNVA at 33 cm was best in Group 3 (1 month: P = .032; 3 months: P = .031). Three months after surgery, UNVA was best in Group 1 at 50 cm (P = .017). No significant differences in internal aberration and contrast sensitivity were observed between groups and surgical satisfaction was worst in Group 3 (P = .001). A total of 87.0%, 85.7%, and 76.9% had spectacle independence in Groups 1, 2, and 3, respectively (P = .080). CONCLUSIONS: TECNIS diffractive multifocal IOLs with lower add powers provide good vision over longer working distances and excellent distant vision. Subjects with lower add power had greater satisfaction, more spectacle independence, and fewer visual symptoms than those with +4.00 D add.
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1. 연구논문 > 1. College of Medicine > Dept. of Ophthalmology
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