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Background: Lens implantation becomes a major concern in patients lacking posterior capsular support, but various methods are available for rehabilitation. In such patients, scleral-fixated intraocular lens (SFIOL) implantation is preferred due to its fewer complications and better simulation of the natural lens position. In this non-randomized retrospective clinical study, we aimed to assess visual outcomes after sutureless SFIOL implantation in aphakic patients and factors affecting visual outcomes.
View Article and Find Full Text PDFThe 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 PDFZonulopathies as Genetic Disorders of the Extracellular Matrix.
Genes (Basel)
December 2024
Department of Ophthalmology, Southend University Hospital, Southend-on-Sea SS0 0RY, UK.
The zonular fibres are formed primarily of fibrillin-1, a large extracellular matrix (ECM) glycoprotein, and also contain other constituents such as LTBP-2, ADAMTSL6, MFAP-2 and EMILIN-1, amongst others. They are critical for sight, holding the crystalline lens in place and being necessary for accommodation. Zonulopathies refer to conditions in which there is a lack or disruption of zonular support to the lens and may clinically be manifested as ectopia lens (EL)-defined as subluxation of the lens outside of the pupillary plane or frank displacement (dislocation) into the vitreous or anterior segment.
View Article and Find Full Text PDFHelical dislocation-driven plasticity and flexible high-performance thermoelectric generator in α-MgBi single crystals.
Nat Commun
January 2025
Shenzhen Key Laboratory of Thermoelectric Materials, Department of Physics, Southern University of Science and Technology, Shenzhen, 518055, China.
Inorganic plastic semiconductors play a crucial role in the realm of flexible electronics. In this study, we present a cost-effective plastic thermoelectric semimetal magnesium bismuthide (α-MgBi), exhibiting remarkable thermoelectric performance. Bulk single-crystalline α-MgBi exhibits considerable plastic deformation at room temperature, allowing for the fabrication of intricate shapes such as the letters "SUSTECH" and a flexible chain.
View Article and Find Full Text PDFClinical spectrum of bilateral microspherophakia and risk factors associated with poor visual outcomes following lensectomy surgery - A multicentric study.
Indian J Ophthalmol
December 2024
The Bodhya Eye Consortium, India.
Purpose: To study the clinical profile of patients with microspherophakia and the factors associated with poor vision following lensectomy surgery.
Methods: A multicenter, retrospective, cross-sectional analysis was conducted from January 2010 to June 2022 on patients diagnosed with microspherophakia.
Results: A total of 102 eyes from 51 patients were enrolled, of whom 24 (47.
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