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Rotational stability of two different piggyback toric intraocular lenses for correction of high post-keratoplasty pseudophakic ametropia.
Digit J Ophthalmol
July 2024
Corneoplastic Unit, Queen Victoria Hospital NHS Foundation Trust, East Grinstead, United Kingdom.
We present the case of a 65-year-old man with bilateral keratoconus and history of bilateral penetrating keratoplasty (PK) who developed gradual visual decline in the left eye due to cataract formation. Following successful left eye cataract surgery and monofocal, non-toric intraocular lens (IOL) in-the-bag implantation, the patient experienced persistently low uncorrected distance visual acuity (UDVA) due to high residual refractive error and intolerance to contact lenses. A supplementary toric IOL was placed in the ciliary sulcus, but subsequent rotational instability of the lens required repeated realignment.
View Article and Find Full Text PDFNovel custom designed toric piggyback intraocular lens for the correction of residual postoperative astigmatism.
Indian J Ophthalmol
May 2023
Cornea and Refractive Surgery Services, LJ Eye Institute, Ambala, Haryana, India.
We report the outcomes of a custom-designed toric piggyback intraocular lens in a patient with high postoperative residual astigmatism. A 60-year-old male patient underwent customized toric piggyback IOL for postoperative residual astigmatism of 13 D, with follow-up examinations for IOL stability and refractive outcomes. The refractive error stabilized at two months and remained stable at one year, with a correction of nearly 9 D of astigmatism.
View Article and Find Full Text PDFSupplemental Toric Intraocular Lenses in the Ciliary Sulcus for Correction of Residual Refractive Astigmatism: A Review.
Ophthalmol Ther
August 2023
Ophthalmology Department, Clínica QVision, Vithas Almería, Almería, Spain.
Purpose: This study conducted a critical review of the peer-reviewed literature on the use of supplemental toric intraocular lenses (STIOL) in the ciliary sulcus to correct residual refractive astigmatism.
Methods: This review used PubMed as a database from 1 January 2010 to 13 March 2023. According to the inclusion and exclusion criteria defined, 14 articles were selected for the current review.
Toric intraocular lenses for astigmatism correction after keratoplasty in phakic and pseudophakic eyes.
J Cataract Refract Surg
September 2022
From the Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong (Wan); Department of Ophthalmology, Hong Kong Sanatorium and Hospital, Hong Kong (Chang); Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (Jhanji).
Residual astigmatism and anisometropia significantly affect patients' vision and quality of life even in clear grafts after corneal transplant. This study reviewed and summarized the role of toric intraocular lenses (IOLs) in phakic and pseudophakic eyes after penetrating keratoplasty (PKP) and deep anterior lamellar keratoplasty in correcting residual astigmatism. 342 eyes from 20 studies with iris-clipped toric IOL, ciliary sulcus toric implantable collamer lens, piggyback sulcus toric IOL, or posterior chamber toric IOL implantations for phakic, pseudophakic, or eyes undergoing cataract surgery after keratoplasty were included.
View Article and Find Full Text PDFOutcomes of a Toric Monofocal Piggyback Intraocular Lens for Residual Astigmatic Refractive Error in Pseudophakic Eyes.
Curr Eye Res
March 2022
Department of Ophthalmology, Princess Alexandra Hospital, Brisbane, Australia.
Purpose/aim: To evaluate the visual outcomes, refractive outcomes and rotational stability of a toric piggyback intraocular lens (1stQ AddOn, GmbH, Mannheim, Germany) for astigmatic refractive error in pseudophakic eyes.
Materials And Methods: Visual and refractive outcomes were assessed based on the standard graphs for reporting refractive surgery outcomes. Rotational stability was assessed according to the Intraocular Lens (IOL) standards of the International Organisation for Standards.
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