Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity
Abstract An induced cylinder and spherical power after implantation with an extended depth of focus (EDOF) and enhanced monofocal intraocular lens (IOL) could improve distance, intermediate (60 cm) and near (40 cm) visual acuity (VA). In this prospective study, forty eyes with Eyhance EDOF IOL (John...
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Nature Portfolio
2024-12-01
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| Online Access: | https://doi.org/10.1038/s41598-024-83387-3 |
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| author | Naren Shetty Rohit Shetty Pablo Artal Reshma Ranade Raghav Narasimhan Rudy M. M. A. Nuijts Abhijit Sinha Roy |
| author_facet | Naren Shetty Rohit Shetty Pablo Artal Reshma Ranade Raghav Narasimhan Rudy M. M. A. Nuijts Abhijit Sinha Roy |
| author_sort | Naren Shetty |
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| description | Abstract An induced cylinder and spherical power after implantation with an extended depth of focus (EDOF) and enhanced monofocal intraocular lens (IOL) could improve distance, intermediate (60 cm) and near (40 cm) visual acuity (VA). In this prospective study, forty eyes with Eyhance EDOF IOL (Johnson and Johnson, USA) and 40 eyes with Vivity EDOF IOL (Alcon Laboratories Inc. USA) were included. Induced cylinder (applied to non-dominant eye) in steps of + 0.25D were used and then VA was measured monocularly (only non-dominant eye). Similarly, induced sphere (applied to non-dominant eye) in steps of + 0.25D were used and then VA was measured monocularly (only non-dominant eye). The above methods were repeated for the dominant eye as well. Then, binocular defocus curve for each patient was obtained by inducing optimal sphere and cylinder (one at a time in front of the non-dominant eye only). In both IOL groups, induced cylinder and sphere independently led to significant improvement in near and distance vision (p < 0.05). Induced sphere binocularly caused a greater decrease (~ 0.1 LogMAR) in distance VA compared to induced cylinder but this was not clinically significant. Most patients accepted an induced cylinder of +1.0 to +1.5D in both IOL groups. Induced cylinder and sphere caused a favourable improvement in near and intermediate VA after surgery in both IOL groups without a significant drop in distance VA. |
| format | Article |
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| institution | Kabale University |
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| language | English |
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| spelling | doaj-art-b2c1dd37df3049849fc55657e297a0782025-01-05T12:30:42ZengNature PortfolioScientific Reports2045-23222024-12-0114111110.1038/s41598-024-83387-3Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuityNaren Shetty0Rohit Shetty1Pablo Artal2Reshma Ranade3Raghav Narasimhan4Rudy M. M. A. Nuijts5Abhijit Sinha Roy6University Eye Clinic Maastricht, Maastricht University Medical Center (MUMC+)Department of Cornea and Refractive Surgery, Narayana Nethralaya Eye HospitalCentro de Investigación Óptica y Nanofísica, Universidad de MurciaDepartment of Cataract Surgery, Narayana Nethralaya Eye HospitalImaging, Biomechanics and Mathematical Modelling Solutions Lab, Narayana Nethralaya FoundationUniversity Eye Clinic Maastricht, Maastricht University Medical Center (MUMC+)Imaging, Biomechanics and Mathematical Modelling Solutions Lab, Narayana Nethralaya FoundationAbstract An induced cylinder and spherical power after implantation with an extended depth of focus (EDOF) and enhanced monofocal intraocular lens (IOL) could improve distance, intermediate (60 cm) and near (40 cm) visual acuity (VA). In this prospective study, forty eyes with Eyhance EDOF IOL (Johnson and Johnson, USA) and 40 eyes with Vivity EDOF IOL (Alcon Laboratories Inc. USA) were included. Induced cylinder (applied to non-dominant eye) in steps of + 0.25D were used and then VA was measured monocularly (only non-dominant eye). Similarly, induced sphere (applied to non-dominant eye) in steps of + 0.25D were used and then VA was measured monocularly (only non-dominant eye). The above methods were repeated for the dominant eye as well. Then, binocular defocus curve for each patient was obtained by inducing optimal sphere and cylinder (one at a time in front of the non-dominant eye only). In both IOL groups, induced cylinder and sphere independently led to significant improvement in near and distance vision (p < 0.05). Induced sphere binocularly caused a greater decrease (~ 0.1 LogMAR) in distance VA compared to induced cylinder but this was not clinically significant. Most patients accepted an induced cylinder of +1.0 to +1.5D in both IOL groups. Induced cylinder and sphere caused a favourable improvement in near and intermediate VA after surgery in both IOL groups without a significant drop in distance VA.https://doi.org/10.1038/s41598-024-83387-3CataractCylinderMonovisionDefocusEyhanceVivity |
| spellingShingle | Naren Shetty Rohit Shetty Pablo Artal Reshma Ranade Raghav Narasimhan Rudy M. M. A. Nuijts Abhijit Sinha Roy Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity Scientific Reports Cataract Cylinder Monovision Defocus Eyhance Vivity |
| title | Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity |
| title_full | Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity |
| title_fullStr | Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity |
| title_full_unstemmed | Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity |
| title_short | Inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity |
| title_sort | inducing cylindrical and spherical defocus after implantation with new generation intraocular lenses improves intermediate and near visual acuity |
| topic | Cataract Cylinder Monovision Defocus Eyhance Vivity |
| url | https://doi.org/10.1038/s41598-024-83387-3 |
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