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Iris retractor-assisted optic capture of a 3-piece intraocular lens.
Am J Ophthalmol Case Rep
December 2024
Capital Health, Trenton, NJ, USA.
Optic capture of a three-piece lens in the absence of posterior capsule support is an effective strategy for stabilizing and sequestering the optic to reduce the risk of dislocation and UGH syndrome compared to sulcus placement. We present a novel technique that facilitates optic capture in the presence of a contracted, fibrotic rhexis opening, while minimizing stress on the zonules by using iris retractors to assist in stabilization and expansion of the rhexis, followed by direct injection of the optic of the lens behind the anterior capsule opening into an optic captured configuration.
View Article and Find Full Text PDFComparison of Visual and Refractive Outcomes Between Refractive Lens Exchange and Keratorefractive Lenticule Extraction Surgery in Moderate to High Myopia.
Diagnostics (Basel)
December 2024
Nobel Eye Institute, Taipei 10041, Taiwan.
: To evaluate the visual and refractive outcomes of keratorefractive lenticule extraction (KLEx) surgery and refractive lens exchange (RLE) surgery in moderate to high myopia patients. : A retrospective cohort study was performed, and patients receiving KLEx or RLE surgeries with myopia within -3.00 to -10.
View Article and Find Full Text PDFMechanical Properties of Eye Lens Cortical and Nuclear Membranes and the Whole Lens.
Invest Ophthalmol Vis Sci
January 2025
Department of Physics, Boise State University, Boise, Idaho, United States.
Purpose: To elucidate the mechanical properties of the bovine lens cortical membrane (CM), the nuclear membrane (NM) containing cholesterol bilayer domains (CBDs), and whole bovine lenses.
Methods: The total lipids (lipids plus cholesterol) from the cortex and nucleus of a single bovine lens were isolated using the monophasic methanol extraction method. Supported CMs and NMs were prepared from total lipids extracted from the cortex and nucleus, respectively, using a rapid solvent exchange method and probe-tip sonication, followed by the fusion of unilamellar vesicles on a flat, freshly cleaved mica surface.
Hydroxypropyl methylcellulose remove dense water droplets during fluid-air exchange on the posterior surface of intraocular lenses with posterior capsule loss.
Retina
October 2024
Department of Ophthalmology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
Purpose: The research investigates the efficacy of hydroxypropyl methylcellulose (HPMC) treatment in facilitating the development of compact water droplets on the rear surface of synthetic lenses with capsule imperfections during the process of fluid-air exchange.
Method: This study examined four patients with intraocular lens (IOL) implants and posterior capsule defects who experienced the formation of dense water droplets on the posterior surface following fluid-air exchange. When this occurrence obstructs fundus visualization during surgery, it is recommended to suspend the surgical procedure.
Purpose: To evaluate the 12-month rotational stability and outcomes of V4c toric Implantable Collamer Lenses (TICLs) (STAAR Surgical) located at two different lens orientations (horizontal or oblique).
Methods: This retrospective study included a total of 403 eyes with TICL implantation, enrolled between January 2021 and December 2022, that were divided into two groups based on the minimum intended angle off the horizontal axis: horizontal with 263 eyes at an angle ±22.5 degrees or less and oblique with 140 eyes at a minimum intended angle of greater than ±22.
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