Comparison of new monofocal innovative and standard monofocal intraocular lens after phacoemulsification
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ORIGINAL PAPER
Comparison of new monofocal innovative and standard monofocal intraocular lens after phacoemulsification Ugur Unsal . Huri Sabur
Received: 21 April 2020 / Accepted: 29 August 2020 Ó Springer Nature B.V. 2020
Abstract Purpose To evaluate the early findings of new monofocal intraocular lens (TecnisÒ Eyhance) in comparison with standard monofocal intraocular lens (TecnisÒ 1-piece) in patients who underwent cataract surgery. Methods Sixty-four eyes of thirty-two patients (each intraocular lens model was implanted bilaterally in 16 patients) were included in this retrospective study. Preoperative and postoperative (at one month) manifest refraction, spherical equivalent (SE) values, monocular and binocular uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrected intermediate visual acuity (UCIVA), distance-corrected intermediate visual acuity (DCIVA), distance-corrected near visual acuity (DCNVA), binocular defocus curve, photopic contrast-sensitivity, spectacle independence, photic phenomena, tolerance to residual refractive errors and complications were recorded. Results The mean monocular postoperative UDVA, CDVA, DCNVA, spherical equivalent and cylinder values were comparable between each group U. Unsal Department of Ophthalmology, Batigoz Eye Health Center, 35210 Izmir, Turkey H. Sabur (&) Department of Ophthalmology, Bergama Necla-Mithat Oztu¨re State Hospital, 35700 Izmir, Turkey e-mail: [email protected]
(p [ 0.05). Monocular and binocular DCIVA and UCIVA were significantly higher in TecnisÒ Eyhance group than TecnisÒ 1-piece group (p = 0.033, p = 0.038, respectively). No statistically significant difference was detected between groups regarding the photopic contrast sensitivities for any spatial frequency (p [ 0.05). Spectacle independence was significantly higher in TecnisÒ Eyhance group than TecnisÒ 1-piece group. TecnisÒ Eyhance IOL revealed a good tolerance to unexpected residual refractive errors than TecnisÒ 1-piece IOL. Conclusion TecnisÒ Eyhance appears to be an effective option for both patients and surgeons regarding better intermediate visual acuities and more forgiving for residual refractive errors relative to the standard monofocal intraocular lenses. However, longer follow-up studies with larger group of patients are needed to evaluate the effectiveness of TecnisÒ Eyhance intraocular lens. Keywords Cataract surgery Monofocal intraocular lens Intermediate vision Contrast sensitivity Residual refractive error
Introduction Today, cataract surgery is the most commonly performed surgery of the eye and monofocal
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Int Ophthalmol
intraocular lenses are the most widely used intraocular lenses [1, 2]. Conventional monofocal lens increases positive spherical aberration by both their own contribution and corneal-induced positive spherical aberration. With the aspheric technology, the aspheric intraocular lenses like Tecnis 1-piece (Johnson & Johnson Vision, Santa Ana, CA, USA) can p
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