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Xu J, Yang F, Lin P, Qian D, Zheng T. Biometric factors associated with the postoperative visual performance of a multifocal intraocular lens. Heliyon 2024; 10:e31867. [PMID: 38845945 PMCID: PMC11154599 DOI: 10.1016/j.heliyon.2024.e31867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/09/2024] Open
Abstract
Purpose To identify the biometric factors associated with postoperative visual performance after uneventful phacoemulsification with multifocal intraocular lens (MIOL) implantation. Methods In this retrospective cohort study, 72 eyes of 72 patients implanted with the HumanOptics Diff-aAY MIOL were included. Preoperative examination data including the white-to-white distance (WTW), anterior chamber depth (ACD), axial length and corneal astigmatism were gathered through the electronic medical records. One month postoperatively, the pupil parameters, corneal aberrations, corneal astigmatism, IOL tilts and IOL decentrations were measured using an OPD-Scan III aberrometer. Postoperative visual performance parameters were recorded as the visual acuity, depth of focus, modulation transfer function (MTF) and point spread function (PSF) values, area under log contrast sensitivity function (AULCSF), retinal straylight and visual function questionnaire scores. Univariate and multivariate linear regression analyses were then performed to evaluate the associations between the potential biometric factors and postoperative visual outcomes. Results Younger age predicted greater MTF and PSF values, better AULCSF and better retinal straylight (P < 0.05). A lower corneal trefoil predicted better MTF and PSF values (P < 0.05). Smaller IOL decentration predicted better distance-corrected near visual acuity, greater AULCSF and better retinal straylight (P < 0.05). A less negative spherical equivalent (SE) predicted better MTF values (P = 0.017), while a more negative SE predicted better Visual Function Index-14 (VF-14) questionnaire scores and satisfaction scores (P < 0.05). A higher IOL power predicted better best corrected distance visual acuity (P = 0.005). Lower preoperative corneal astigmatism predicted greater MTF values (P = 0.020). Lower postoperative corneal astigmatism, smaller corneal high-order aberrations (HOAs), smaller photopic pupil size, larger WTW and deeper ACD predicted a better AULCSF (P < 0.05). Conclusions IOL decentration, IOL power, age, preoperative and postoperative corneal astigmatism, SE, photopic pupil size, corneal trefoil, WTW, ACD and corneal HOAs were significantly associated with postoperative visual performance. These findings might aid in patient selection prior to MIOL implantation.
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Affiliation(s)
- Jie Xu
- Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
- Eye Institute, Eye and ENT Hospital, Fudan University, Shanghai, China
- NHC Key Laboratory of Myopia and Related Eye Diseases, Shanghai, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, China
| | - Fan Yang
- Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
- Eye Institute, Eye and ENT Hospital, Fudan University, Shanghai, China
- NHC Key Laboratory of Myopia and Related Eye Diseases, Shanghai, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, China
| | - Peimin Lin
- Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
- Eye Institute, Eye and ENT Hospital, Fudan University, Shanghai, China
- NHC Key Laboratory of Myopia and Related Eye Diseases, Shanghai, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, China
| | - Dongjin Qian
- Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
- Eye Institute, Eye and ENT Hospital, Fudan University, Shanghai, China
- NHC Key Laboratory of Myopia and Related Eye Diseases, Shanghai, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, China
| | - Tianyu Zheng
- Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
- Eye Institute, Eye and ENT Hospital, Fudan University, Shanghai, China
- NHC Key Laboratory of Myopia and Related Eye Diseases, Shanghai, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, China
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Pieh S, Artmayr C, Pai V, Schartmüller D, Kriechbaum K. Through-Focus Response of Extended Depth of Focus Intraocular Lenses. J Refract Surg 2022; 38:497-501. [PMID: 35947002 DOI: 10.3928/1081597x-20220701-01] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE To investigate extended depth of focus intraocular lenses (EDOF IOLs), intended to extend the depth of field after cataract surgery in a comparative study at the optical bench. METHODS An optical bench with either green or white light was used for this study. The artificial cornea used exhibited a spherical aberration of 0.2 µm. Examinations of the following lenses with a pupil opening of 3 and 4.5 mm were carried out: AcrySof IQ Vivity (Alcon Laboratories, Inc), Isopure (PhysIOL), Tecnis Eyhance (Johnson & Johnson), Vivinex Impress (Hoya Surgical Optics), and xact (Santen). RESULTS Using green light and a pupil aperture of 3 mm, the AcrySof IQ Vivity showed the highest light energy for the intermediate area, whereas the Isopure and Vivinex Impress provided the highest energy for distance vision. Under the same examination conditions with a pupil opening of 4.5 mm, all lenses showed a low light distribution for the intermediate range. Regarding light distribution for distance, the Tecnis Eyhance had the highest light intensity. Using white light, the curves became much wider and more similar to each other. CONCLUSIONS The five EDOF lenses investigated differ mainly by their different weighting of energy between the far and intermediate ranges. [J Refract Surg. 2022;38(8):497-501.].
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Nowik KE, Nowik K, Kanclerz P, Szaflik JP. Clinical Performance of Extended Depth of Focus (EDOF) Intraocular Lenses – A Retrospective Comparative Study of Mini Well Ready and Symfony. Clin Ophthalmol 2022; 16:1613-1621. [PMID: 35651536 PMCID: PMC9150758 DOI: 10.2147/opth.s341698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/14/2022] [Indexed: 11/27/2022] Open
Abstract
Purpose Extended depth of focus intraocular (EDOF) IOLs form a bridge between single- and multifocal IOL design. This study aimed to compare clinical outcomes obtained after implanting two different optical designs of EDOF IOLs: the Mini Well Ready (SIFI Medtech, Catania, Italy) and Tecnis Symfony (Abbott Laboratories, Illinois, USA). Methods The retrospective observational study included 61 patients (122 eyes) who underwent bilateral implantation of the Mini Well Ready IOL (32 patients) or the Tecnis Symfony IOL (29 patients). The following preoperative and postoperative parameters were evaluated: spherical equivalent, anterior astigmatism, pupil size, monocular and binocular uncorrected distance visual acuity (UDVA) and corrected distance visual acuity (CDVA), monocular and binocular uncorrected intermediate visual acuity (UIVA) and distance-corrected intermediate visual acuity (DCIVA), monocular and binocular uncorrected near visual acuity (UNVA) and distance-corrected near visual acuity (DCNVA). In the 6 months postoperative period, defocus curve, contrast sensitivity, photopic phenomena, and posterior capsule opacification were assessed. Results The patients receiving the Tecnis Symfony had slightly better monocular and binocular UDVA and CDVA than with the Mini Well Ready IOL, the differences were not statistically significant. Whereas the UIVA, DCIVA, UNVA, DCNVA, UNVA and DCNVA values were higher in the Mini Well Ready group, the differences were not significant. There were no significant between-group differences regarding the defocus curve for the vast majority of tested vergences. Dysphotopsias postoperatively were assessed at 6 months. Conclusion Patients receiving both the Mini Well Ready and Symfony IOLs had excellent visual acuity outcomes and spectacle independence.
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Affiliation(s)
- Katarzyna Ewa Nowik
- Department of Ophthalmology, Public Ophthalmic Clinical Hospital (SPKSO), Medical University of Warsaw, Warsaw, Poland
- Correspondence: Katarzyna Ewa Nowik, Tel +48 509 873 680, Email
| | - Kamil Nowik
- Department of Ophthalmology, Public Ophthalmic Clinical Hospital (SPKSO), Medical University of Warsaw, Warsaw, Poland
| | - Piotr Kanclerz
- Department of Ophthalmology, Hygeia Clinic, Gdańsk, Poland
- Helsinki Retina Research Group, University of Helsinki, Helsinki, Finland
| | - Jacek Paweł Szaflik
- Department of Ophthalmology, Public Ophthalmic Clinical Hospital (SPKSO), Medical University of Warsaw, Warsaw, Poland
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Pastor-Pascual F, Gómez-Gómez A, Montés-Micó R, Ruiz-Mesa R, Tañá-Rivero P. Polychromatic through-focus image quality in a wavefront-shaping presbyopia correcting intraocular lens. EXPERT REVIEW OF OPHTHALMOLOGY 2022. [DOI: 10.1080/17469899.2022.2021878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | | | - Robert Montés-Micó
- Anterior Segment Unit, Oftalvist, Valencia, Spain
- Optics and Optometry and Vision Sciences Department, University of Valencia, Valencia, Spain
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Bozkurt Gencer M, Basmak H, Yasar E, Onal O. Comparison of trifocal toric and bifocal toric intraocular lens implantation in patients with cataract and high corneal astigmatism. Int J Ophthalmol 2021; 14:1876-1881. [PMID: 34926202 DOI: 10.18240/ijo.2021.12.10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/07/2021] [Indexed: 11/23/2022] Open
Abstract
AIM To investigate and compare the quality of life, satisfaction, contrast sensitivity, glare, depth perception, and intraocular lens (IOL) rotation in patients who underwent trifocal toric and bifocal toric IOLs. METHODS A total of 80 eyes of 40 patients were included in this prospective study. Twenty patients in each group were implanted with trifocal toric and bifocal toric IOL, respectively. Preoperative and postoperative 6-month measurements were recorded for both patient groups. Comprehensive anterior and posterior segment examinations, distance-intermediate-near visual acuity values and the visual function scale questionnaire results were evaluated at these examinations. Patient satisfaction, contrast sensitivity, glare, intermediate-near and distance stereopsis and IOL rotation were also evaluated. RESULTS No significant difference was found between the groups in terms of distance and near visual acuities (P=0.269, P=0.451). Intermediate visual acuity was significantly increased in the trifocal toric group (P<0.001). The visual function scale results were increased after surgery in both groups (P=0.001 and P<0.001), with no difference determined between them (P=0.158 and P=0.691). The number of patients wearing glasses was low in both groups and there was no significant difference between the groups (P>0.05). The overall satisfaction in the trifocal toric group was significantly higher than in the bifocal toric group (P=0.03). The highest sensitivity was observed at 6 cpd spatial frequency in all patients under photopic conditions (1.80±0.24 logU, 1.74±0.20 logU). Distance-intermediate-near binocular depth perception results in both groups were higher in the trifocal toric group (P=0.02, 0.048, 0.003, respectively). Although there was no significant difference for 3 meters stereopsis, the trifocal toric group had higher depth perception (P=0.577). Mean rotation was 5.76°±3.93° in the trifocal toric group and 12°±7.1° in the bifocal toric group. CONCLUSION Better results in the middle distance are obtained in the trifocal toric group and less IOL rotation due to digital system-coordinated surgery. Moreover, the overall satisfaction in the trifocal toric group is significantly higher than in the bifocal toric group.
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Affiliation(s)
- Merve Bozkurt Gencer
- Ophthalmology Clinic, Antalya Training and Research Hospital, Antalya 07100, Turkey
| | - Hikmet Basmak
- Ophthalmology Department, Eskisehir Osmangazi University Medicine Faculty, Eskisehir 26040, Turkey
| | - Erdogan Yasar
- Ophthalmology Department, Aksaray University Medicine Faculty, Aksaray 68100, Turkey
| | - Ozkan Onal
- Ophthalmology Clinic, Ozalp State Hospital, Van 65800, Turkey
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