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The Etiology of Intraocular Lens Dislocation and Changes in Intraocular Pressure After Intrascleral Intraocular Lens Fixation Surgery.
Cureus
December 2024
Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, Chiba, JPN.
Objectives This study aimed to identify the etiology and the direction of dislocation of the natural crystalline lens or intraocular lens (IOL) in IOL intrascleral fixation surgery and to determine the change in intraocular pressure (IOP) after surgery. Methods We retrospectively investigated the diagnosis, direction of lens and IOL dislocation, and IOP before and after surgery (preoperatively and one day, one week, and one month postoperatively) in 236 eyes from 228 patients who underwent IOL intrascleral fixation at Chiba University Hospital between February 2015 and September 2020. Results IOL intrascleral fixation was performed in 48 (20.
View Article and Find Full Text PDFClosed globe refixation of the IOL-bag complex with the ab-externo 8-exit-4-point fixation technique.
Indian J Ophthalmol
December 2024
Department of Vitreo-Retina, Narayana Nethralaya, Bengaluru, Karnataka, India.
Intraocular lens (IOL) dislocation is not an uncommon complication and often requires surgical intervention, depending on the status of capsular bag support. Conventionally, posterior dislocation of a foldable IOL or the IOL-bag complex warrants their removal as foldable IOLs are not ideal for sulcus placement. The technique presented here describes using quadrilateral sutures to refix looped haptic IOLs at the ciliary sulcus with or without a bag complex.
View Article and Find Full Text PDFIn recent years, techniques for the secondary implantation of intraocular lenses have undergone significant further development. Despite the wide range of surgical indications, IOL dislocation and aphakia following complicated cataract surgery or other complicated intraocular procedures and trauma remain the most common reasons for secondary IOL implantation. In cases where it is not feasible to place the artificial lens in the capsular bag due to zonular weakness or insufficient stability of the capsular bag, the intraocular lens can be implanted in the anterior chamber or fixed in the ciliary sulcus, on the iris or on the sclera.
View Article and Find Full Text PDFRefining delivery and positioning: A modified approach to FIL SSF intraocular lens implantation using the "full reverse" technique.
Eur J Ophthalmol
October 2024
Azienda Ospedaliera Ospedali Riuniti Villa Sofia Cervello, Palermo, Italy.
Article Synopsis
- A modified surgical technique called the "full reverse" method is introduced for implanting a sutureless scleral-fixated hydrophilic intraocular lens (FIL SSF), aiming to improve lens orientation.
- A retrospective study was conducted to assess visual acuity, refractive error, and other clinical measures at multiple intervals post-operation, with successful outcomes reported in all cases.
- Initial findings suggest that this new technique effectively prevents incorrect lens orientation, but further research through larger and longer-term studies is needed to validate these results.
Polypseudophakia: from "Piggyback" to supplementary sulcus-fixated IOLs.
Graefes Arch Clin Exp Ophthalmol
September 2024
Department of Ophthalmology, Heidelberg University Hospital, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.
Polypseudophakia, the concept of using a second intraocular lens (IOL) to supplement an IOL that has already been placed in the capsular bag, was first used as a corrective measure where the power requirement was higher than that of available single IOLs. Subsequently, the technique was modified to compensate for post-operative residual refractive errors. In these early cases, an IOL designed for the capsular bag would be implanted in the sulcus.
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