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Non-contact lensless holographic reconstruction of diffractive intraocular lenses profiles.
Sci Rep
January 2025
Faculty of Physics, Department of Optics and Optometry and Vision Sciences, Universitat de València, Burjassot, Spain.
A lensless compact arrangement based on digital in-line holography under Gabor's regime is proposed as a novel contactless method to assess the profile of multifocal intraocular lenses (MIOLs) which are conformed by several diffractive rings. Diffractive MIOLs are a widely adopted ophthalmologic option for the correction of presbyopia in patients undergoing cataract surgery. The MIOL optical design might introduce non-negligible optical performance differences between lenses as well as the introduction of undesirable photic phenomena (such as halos and glare) affecting the vision of users.
View Article and Find Full Text PDFPreliminary exploration of metagenomic sequencing for pathogenic identification in infectious uveitis.
J Ophthalmic Inflamm Infect
December 2024
Department of Ophthalmology, Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250002, China.
Purpose: To evaluate the advantages and clinical utility of metagenomic sequencing (MGS) in diagnosing infectious uveitis pathogens.
Methods: A retrospective study was conducted on 20 infectious uveitis patients (20 eyes) who received treatments at the Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine from May 2020 to February 2021. Anterior aqueous humor of the patients was collected and analyzed using MGS.
The role of light exposure in infant circadian rhythm establishment: A scoping review perspective.
Eur J Pediatr
December 2024
Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan.
Environmental light exposure plays a role in the entrainment of the infant circadian rhythm, which is crucial for growth and development. This scoping review aims to evaluate existing literature linking the role of light exposure in the development of the infant circadian rhythm. This scoping review is conducted in accordance with the PRISMA-ScR guidelines.
View Article and Find Full Text PDFA Unique Retinoscopic Reflex Pattern in the Initial Stages of Keratoconus and Its Clinical Significance for Early Keratoconus Detection: A Case Report.
Cureus
November 2024
Department of Optometry, Noor Alyemen Eye and E.N.T Consulting Center, Sana'a, YEM.
Keratoconus is a bilateral eye anomaly in which the cornea develops gradually, becoming steeper and thinner, causing irregular astigmatism and myopia. This unique case report highlights an atypical retinoscopic reflex that can be observed in the initial stages of keratoconus. While the reflex deviates subtly from the normal form, exhibiting a slightly distorted, irregular, and non-scissoring pattern, it differs significantly from the well-documented "scissor reflex," which is characteristic of moderate to advanced stages.
View Article and Find Full Text PDF- a large-scale dataset of 3D medical shapes for computer vision.
Biomed Tech (Berl)
December 2024
Institute for Artificial Intelligence in Medicine (IKIM), University Hospital Essen (AöR), Essen, Germany.
Objectives: The shape is commonly used to describe the objects. State-of-the-art algorithms in medical imaging are predominantly diverging from computer vision, where voxel grids, meshes, point clouds, and implicit surface models are used. This is seen from the growing popularity of ShapeNet (51,300 models) and Princeton ModelNet (127,915 models).
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