Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism

Abstract Objective To assess refractive and visual outcomes of a spherical Implantable Collamer Lens (ICL) followed by planned postoperative adjunctive laser-assisted in situ keratomileusis (LASIK) in the treatment of high compound hyperopic astigmatism. Methods In this prospective, multi-center, mu...

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Main Authors: Daniel Q. Li, Mathieu Gauvin, Guillermo Rocha, Pierre Trottier, Louis Racine, Avi Wallerstein
Format: Article
Language:English
Published: BMC 2025-01-01
Series:BMC Ophthalmology
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Online Access:https://doi.org/10.1186/s12886-024-03828-5
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author Daniel Q. Li
Mathieu Gauvin
Guillermo Rocha
Pierre Trottier
Louis Racine
Avi Wallerstein
author_facet Daniel Q. Li
Mathieu Gauvin
Guillermo Rocha
Pierre Trottier
Louis Racine
Avi Wallerstein
author_sort Daniel Q. Li
collection DOAJ
description Abstract Objective To assess refractive and visual outcomes of a spherical Implantable Collamer Lens (ICL) followed by planned postoperative adjunctive laser-assisted in situ keratomileusis (LASIK) in the treatment of high compound hyperopic astigmatism. Methods In this prospective, multi-center, multi-surgeon, single-arm trial, eyes with ≥ 3.50 D hyperopia and ≥ 2.00 D of astigmatism underwent surgery receiving a spherical Implantable Collamer Lens (ICL) followed by a planned adjunctive LASIK postoperatively. Outcomes measures included postoperative uncorrected (UDVA) and corrected distance visual acuity (CDVA), manifest refraction, spherical (SEQ) and defocus equivalent (DEQ), efficacy index, safety index, and astigmatism vector analyses. Results 48 eyes had a mean sphere of 6.18 ± 1.35 D and mean cylinder of 2.69 ± 0.89 D preoperatively. After ICL and LASIK, 94% of eyes achieved a UDVA within 1 line of preoperative CDVA. Efficacy and safety indices were 0.94 ± 0.13 and 1.00 ± 0.13, respectively. We obtained near-to-emmetropia SEQ postoperatively (mean − 0.03 ± 0.43D), and the scatterplot of attempted versus achieved refractive correction revealed a predictable procedure (R2 = 0.89). 93.8% and 100% of eyes achieved target SEQ within 0.75 and 1.00 D. 87.5% and 100% of eyes were within 0.50 and 0.75 D of intended plano cylinder. Conclusion Spherical ICL with postoperative adjunctive LASIK was safe with good early visual and refractive outcomes. The combined modality is a promising approach to treating high compound hyperopic astigmatism where toric hyperopic ICL is not available. Trial registration This trial was retrospectively registered on ClinicalTrials.gov with the trial registration number NCT06742541.
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spelling doaj-art-1cc7319bc410451ebb71f4d26f570c9c2025-01-26T12:21:13ZengBMCBMC Ophthalmology1471-24152025-01-012511710.1186/s12886-024-03828-5Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatismDaniel Q. Li0Mathieu Gauvin1Guillermo Rocha2Pierre Trottier3Louis Racine4Avi Wallerstein5Department of Ophthalmology and Visual Sciences, McGill UniversityDepartment of Ophthalmology and Visual Sciences, McGill UniversityDepartment of Ophthalmology and Visual Sciences, McGill UniversityDepartment of Surgery, University of SherbrookeDepartment of Ophthalmology, University of MontrealDepartment of Ophthalmology and Visual Sciences, McGill UniversityAbstract Objective To assess refractive and visual outcomes of a spherical Implantable Collamer Lens (ICL) followed by planned postoperative adjunctive laser-assisted in situ keratomileusis (LASIK) in the treatment of high compound hyperopic astigmatism. Methods In this prospective, multi-center, multi-surgeon, single-arm trial, eyes with ≥ 3.50 D hyperopia and ≥ 2.00 D of astigmatism underwent surgery receiving a spherical Implantable Collamer Lens (ICL) followed by a planned adjunctive LASIK postoperatively. Outcomes measures included postoperative uncorrected (UDVA) and corrected distance visual acuity (CDVA), manifest refraction, spherical (SEQ) and defocus equivalent (DEQ), efficacy index, safety index, and astigmatism vector analyses. Results 48 eyes had a mean sphere of 6.18 ± 1.35 D and mean cylinder of 2.69 ± 0.89 D preoperatively. After ICL and LASIK, 94% of eyes achieved a UDVA within 1 line of preoperative CDVA. Efficacy and safety indices were 0.94 ± 0.13 and 1.00 ± 0.13, respectively. We obtained near-to-emmetropia SEQ postoperatively (mean − 0.03 ± 0.43D), and the scatterplot of attempted versus achieved refractive correction revealed a predictable procedure (R2 = 0.89). 93.8% and 100% of eyes achieved target SEQ within 0.75 and 1.00 D. 87.5% and 100% of eyes were within 0.50 and 0.75 D of intended plano cylinder. Conclusion Spherical ICL with postoperative adjunctive LASIK was safe with good early visual and refractive outcomes. The combined modality is a promising approach to treating high compound hyperopic astigmatism where toric hyperopic ICL is not available. Trial registration This trial was retrospectively registered on ClinicalTrials.gov with the trial registration number NCT06742541.https://doi.org/10.1186/s12886-024-03828-5Implantable collamer lensLASIKHyperopic astigmatism
spellingShingle Daniel Q. Li
Mathieu Gauvin
Guillermo Rocha
Pierre Trottier
Louis Racine
Avi Wallerstein
Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism
BMC Ophthalmology
Implantable collamer lens
LASIK
Hyperopic astigmatism
title Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism
title_full Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism
title_fullStr Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism
title_full_unstemmed Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism
title_short Spherical implantable collamer lens with postoperative adjunctive LASIK in the treatment of high compound hyperopic astigmatism
title_sort spherical implantable collamer lens with postoperative adjunctive lasik in the treatment of high compound hyperopic astigmatism
topic Implantable collamer lens
LASIK
Hyperopic astigmatism
url https://doi.org/10.1186/s12886-024-03828-5
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