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The Clinical Usefulness of Evaluating the Lens and Intraocular Lenses Using Optical Coherence Tomography: An Updated Literature Review.
J Clin Med
November 2024
Centro Internacional de Oftalmología Avanzada, 28010 Madrid, Spain.
The Lens Dysfunction Syndrome includes two widespread ocular disorders: presbyopia and cataract. Understanding its etiology, onset, progression, impact, prevention, and treatment remains a significant scientific challenge. The lens is a fundamental structure of the ocular dioptric system that allows for focus adjustment or accommodation to view objects at different distances.
View Article and Find Full Text PDFEmbedded CPU-GPU pupil tracking.
Biomed Opt Express
December 2024
Department of Ophthalmology, Stanford University, Palo Alto, CA 94303, USA.
We explore camera-based pupil tracking using high-level programming in computing platforms with end-user discrete and integrated central processing units (CPUs) and graphics processing units (GPUs), seeking low calculation latencies previously achieved with specialized hardware and programming (Kowalski et al., [Biomed. Opt.
View Article and Find Full Text PDFRepeatability of Posterior Corneal Surface Measurements and Zernike Polynomials of Two Ocular Biometers With Single and Dual Scheimpflug Cameras in Keratoconus and Healthy Eyes.
Cornea
December 2024
Department of Ophthalmology, Goethe University Frankfurt, Frankfurt am Main, Germany.
Purpose: This study aims to evaluate the repeatability of posterior corneal surface and Zernike polynomial measurements of 2 different ocular biometers and Scheimpflug devices in keratoconus (KC) and healthy eyes.
Methods: This is a prospective, comparative study performed at the Department of Ophthalmology, Goethe-University Frankfurt, Germany. Included were KC and healthy eyes.
Variation of Bruch's membrane opening in response to intraocular pressure change during scleral lens wear, in a population with keratoconus.
Ophthalmic Physiol Opt
December 2024
École d'optométrie, Université de Montréal, Montreal, Quebec, Canada.
Purpose: The present study aimed to determine the potential impact of scleral lenses on intraocular pressure (IOP) by analysing the Bruch's membrane opening-minimum rim width (BMO-MRW) while the lenses are worn, in a population with keratoconus.
Methods: Participants were required to have keratoconus and be successfully fitted with scleral lenses for at least 3 months. A new pair of optimised scleral lenses was provided before the study.
Comparison of Scheimpflug tomography, Placido disc, and combined Placido Scheimpflug in the measurement of pupil offset in myopic population.
Front Med (Lausanne)
November 2024
Department of Ophthalmology, The Third People's Hospital of Dalian, Dalian, China.
Article Synopsis
- This study compared the pupil offset measurements from three devices: Pentacam, Keratron Scout, and Sirius, in 146 young myopic patients scheduled for refractive surgery.
- Researchers analyzed the measurements of pupil deviation and found the devices yielded similar results with good consistency.
- The findings suggest that these devices can be reliably used in clinical settings for measuring pupil shifts in young myopic individuals.
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