Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye

Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye

Clayton Blehm,1 Richard Potvin2 1Gainesville Eye Associates, Gainesville, GA, USA; 2Science in Vision, Akron, NY, USACorrespondence: Richard PotvinScience in Vision, 6197 Dye Road, Akron, NY 14001, USATel +1407-697-6008Email rick@scienceinvision.comPurpose: To review refractive, visual acuity, defoc...

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Autores principales: Blehm C, Potvin R
Formato: article
Lenguaje:EN
Publicado: Dove Medical Press 2020
Materias:
restor toric
multifocal toric
apodized
cataract surgery
intraocular lens
iol
Ophthalmology
RE1-994
Acceso en línea:https://doaj.org/article/650f8e21ef8a4f309901e3405163aff6
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spelling oai:doaj.org-article:650f8e21ef8a4f309901e3405163aff62021-12-02T11:38:00ZEvaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye1177-5483https://doaj.org/article/650f8e21ef8a4f309901e3405163aff62020-04-01T00:00:00Zhttps://www.dovepress.com/evaluating-refractive-and-visual-outcomes-after-bilateral-implantation-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Clayton Blehm,1 Richard Potvin2 1Gainesville Eye Associates, Gainesville, GA, USA; 2Science in Vision, Akron, NY, USACorrespondence: Richard PotvinScience in Vision, 6197 Dye Road, Akron, NY 14001, USATel +1407-697-6008Email rick@scienceinvision.comPurpose: To review refractive, visual acuity, defocus curve and subjective visual quality results after bilateral implantation of an apodized diffractive toric intraocular lens (IOL) with a moderate add in the dominant eye and a higher add in the non-dominant eye.Setting: One site in Gainesville, GA, USA.Design: Single arm, non-randomized prospective study.Methods: This was a single-arm prospective study of visual acuity and subjective visual quality after implantation of a toric low-add apodized diffractive multifocal IOL in the dominant eye and a higher add IOL of the same type in the non-dominant eye three months after surgery. Binocular visual acuity at 4 m, 60 cm and 40 cm was tested. Other tests included refraction, defocus curve measurement and evaluation of the quality of vision. Toric IOL orientation was also measured.Results: A total of 29 subjects were enrolled. There were no statistically significant differences in the mean keratometry, corneal astigmatism or IOL sphere power implanted in the dominant and non-dominant eyes. Vision was preferred without any correction in more than half of the eyes tested (32/58, 55%). The residual refractive astigmatism was ≤ 0.50 D in 100% of eyes. Seventy-five percent of subjects (22/29) had 0.10 logMAR (20/25 Snellen) binocular uncorrected visual acuity at all tested distances. Glare and haloes were the most common visual disturbances, but most subjects (22/29, 76%) reported that they were not bothered by any visual disturbances. In 97% of eyes (56/58), the measured difference in orientation between 1 month and 3 months was less than 5 degrees, with no change more than 14 degrees.Conclusion: This blended bifocal IOL modality appears to be well-tolerated by subjects with a good range of vision and minimal bother from visual disturbances.Keywords: ReSTOR Toric, multifocal toric, apodized, cataract surgery, intraocular lens, IOLBlehm CPotvin RDove Medical Pressarticlerestor toricmultifocal toricapodizedcataract surgeryintraocular lensiolOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 14, Pp 1035-1041 (2020)
institution DOAJ
collection DOAJ
language EN
topic restor toric
multifocal toric
apodized
cataract surgery
intraocular lens
iol
Ophthalmology
RE1-994
spellingShingle restor toric
multifocal toric
apodized
cataract surgery
intraocular lens
iol
Ophthalmology
RE1-994
Blehm C
Potvin R
Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye
description Clayton Blehm,1 Richard Potvin2 1Gainesville Eye Associates, Gainesville, GA, USA; 2Science in Vision, Akron, NY, USACorrespondence: Richard PotvinScience in Vision, 6197 Dye Road, Akron, NY 14001, USATel +1407-697-6008Email rick@scienceinvision.comPurpose: To review refractive, visual acuity, defocus curve and subjective visual quality results after bilateral implantation of an apodized diffractive toric intraocular lens (IOL) with a moderate add in the dominant eye and a higher add in the non-dominant eye.Setting: One site in Gainesville, GA, USA.Design: Single arm, non-randomized prospective study.Methods: This was a single-arm prospective study of visual acuity and subjective visual quality after implantation of a toric low-add apodized diffractive multifocal IOL in the dominant eye and a higher add IOL of the same type in the non-dominant eye three months after surgery. Binocular visual acuity at 4 m, 60 cm and 40 cm was tested. Other tests included refraction, defocus curve measurement and evaluation of the quality of vision. Toric IOL orientation was also measured.Results: A total of 29 subjects were enrolled. There were no statistically significant differences in the mean keratometry, corneal astigmatism or IOL sphere power implanted in the dominant and non-dominant eyes. Vision was preferred without any correction in more than half of the eyes tested (32/58, 55%). The residual refractive astigmatism was ≤ 0.50 D in 100% of eyes. Seventy-five percent of subjects (22/29) had 0.10 logMAR (20/25 Snellen) binocular uncorrected visual acuity at all tested distances. Glare and haloes were the most common visual disturbances, but most subjects (22/29, 76%) reported that they were not bothered by any visual disturbances. In 97% of eyes (56/58), the measured difference in orientation between 1 month and 3 months was less than 5 degrees, with no change more than 14 degrees.Conclusion: This blended bifocal IOL modality appears to be well-tolerated by subjects with a good range of vision and minimal bother from visual disturbances.Keywords: ReSTOR Toric, multifocal toric, apodized, cataract surgery, intraocular lens, IOL
format article
author Blehm C
Potvin R
author_facet Blehm C
Potvin R
author_sort Blehm C
title Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye
title_short Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye
title_full Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye
title_fullStr Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye
title_full_unstemmed Evaluating Refractive and Visual Outcomes After Bilateral Implantation of an Apodized Diffractive Multifocal Toric Intraocular Lens with a Moderate Add in the Dominant Eye and a Higher Add in the Fellow Eye
title_sort evaluating refractive and visual outcomes after bilateral implantation of an apodized diffractive multifocal toric intraocular lens with a moderate add in the dominant eye and a higher add in the fellow eye
publisher Dove Medical Press
publishDate 2020
url https://doaj.org/article/650f8e21ef8a4f309901e3405163aff6
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