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Self-reported Myopia in Trinidad and Tobago: A Cross-sectional Study.
Niger Postgrad Med J
October 2024
Department of Clinical Surgical Sciences, Optometry Unit, University of the West Indies, Saint Augustine Campus, Trinidad and Tobago.
Objective: The objective of this study was to determine the prevalence of self-reported myopia in Trinidad and Tobago.
Materials And Methods: This study was a cross-sectional design, and data were collected using a validated structured questionnaire from January to April 2024. Systematic random sampling was used to select participants aged 15 and above to participate.
Minimizing Oxidative Stress in the Lens: Alternative Measures for Elevating Glutathione in the Lens to Protect against Cataract.
Antioxidants (Basel)
October 2024
Department Physiology, University of Auckland, Auckland 1023, New Zealand.
Oxidative stress plays a major role in the formation of the cataract that is the result of advancing age, diabetes or which follows vitrectomy surgery. Glutathione (GSH) is the principal antioxidant in the lens, and so supplementation with GSH would seem like an intuitive strategy to counteract oxidative stress there. However, the delivery of glutathione to the lens is fraught with difficulties, including the limited bioavailability of GSH caused by its rapid degradation, anatomical barriers of the anterior eye that result in insufficient delivery of GSH to the lens, and intracellular barriers within the lens that limit delivery of GSH to its different regions.
View Article and Find Full Text PDFAssessment of intraocular lens tilt and decentration after femtosecond laser-assisted and conventional cataract surgery at 12 months and beyond.
BMC Ophthalmol
October 2024
Department of Ophthalmology, University of Ulsan College of Medicine, Asan Medical Center, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, South Korea.
Purpose: To compare long-term intraocular lens (IOL) decentration and tilt following femtosecond laser-assisted cataract surgery (FLACS) and conventional surgery using swept-source anterior segment ocular coherence tomography (SS-ASOCT).
Methods: In this retrospective cross-sectional study, all patients underwent FLACS or conventional cataract surgery. Those with a minimum of 12-months follow-up since surgery were included.
Herpes Zoster Ophthalmicus Uveitis: Onset and Complications.
Am J Ophthalmol
December 2024
Department of Ophthalmology, University of Auckland, Auckland, New Zealand.
Article Synopsis
- - The study investigated when uveitis occurs and its complications in patients with herpes zoster ophthalmicus (HZO), analyzing data from 869 individuals treated between 2006 and 2016 at the Auckland District Health Board.
- - About 47.6% of the patients developed uveitis, with a median diagnosis time of 10 days after the rash appeared, and over 17% were diagnosed within the first week.
- - Those with uveitis faced higher risks of severe eye complications and vision loss, but receiving antiviral treatment within 72 hours was linked to reduced rates of vision deterioration.
UV light and the ocular lens: a review of exposure models and resulting biomolecular changes.
Front Ophthalmol (Lausanne)
September 2024
Department of Physiology, School of Medical Sciences, New Zealand National Eye Centre, University of Auckland, Auckland, New Zealand.
UV light is known to cause damage to biomolecules in living tissue. Tissues of the eye that play highly specialised roles in forming our sense of sight are uniquely exposed to light of all wavelengths. While these tissues have evolved protective mechanisms to resist damage from UV wavelengths, prolonged exposure is thought to lead to pathological changes.
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