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Compartmental analysis of retinal vascular parameters and thickness in myopic eyes using SS-OCTA.
Front Med (Lausanne)
December 2024
Chongqing Key Laboratory of Prevention and Treatment on Major Blinding Diseases, Chongqing Eye Institute, Chongqing Branch (Municipality Division) of National Clinical Research Center for Ocular Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Article Synopsis
- The study examined how myopia affects the thickness and structure of retinal blood vessels using advanced imaging technology in 100 participants.
- The findings revealed that individuals with high myopia had significantly lower vessel density and thinner retinal layers, particularly noticeable in the superficial and nerve fiber layers.
- There was a noted correlation between certain ocular parameters, such as axial length to curvature radius ratio, and retinal thickness in non-high myopic eyes, while high myopic eyes showed less correlation in these aspects.
Investigating the link between a layer thickness and surface relief depth in an azo poly(ether imide).
Sci Rep
January 2025
Faculty of Physics, Warsaw University of Technology, 75 Koszykowa Str., 00-662, Warszawa, Poland.
Surface relief grating formation in photo-responsive azo polymers under irradiation is a long-ago-found phenomenon, but all the factors governing its efficiency are still not fully recognized. Here, we report on the enormous impact of the polymer thickness on the possibility of fabrication of extremely high-amplitude surface deformations. We performed prolonged holographic recordings on the layers of the same azobenzene poly(ether imide), which had substantially different optical transmittances at the recording wavelength and revealed that the depths of the inscribed relief structures increased with the polymer thickness from a nondetectable value up to almost 2 µm, unaffected by the presence of a polymer-glass substrate interface in either sample.
View Article and Find Full Text PDFTopographical Quantification of Hyper-Reflective Foci May Predict the Development of Macular Atrophy in Patients With Neovascular Age-Related Macular Degeneration.
Invest Ophthalmol Vis Sci
December 2024
Department of Translational Biomedicine Neuroscience, University of Bari "Aldo Moro," Bari, Italy.
Purpose: The purpose of this study was o examine the optical coherence tomographic (OCT) characteristics of hyper-reflective foci (HRF) in patients with neovascular age-related macular degeneration (nAMD) and to assess the potential of HRF as a predictive factor for the development of macular atrophy following anti-vascular endothelial growth factor (anti-VEGF) therapy.
Methods: This was a retrospective analysis of 61 treatment-naïve eyes diagnosed with exudative AMD and type 1 macular neovascularization (MNV). The HRF was identified in the inner retina and outer retina layers, and the treatment response of HRF was documented.
Morphogenesis and functional aspects of the muscular layer of the middle deep cervical fascia in humans.
Tissue Cell
December 2024
Department of Anatomy and Embryology, Faculty of Medicine, Universidad Complutense de Madrid (UCM), Madrid, Spain; UCM Research Group No. 920202, Faculty of Medicine, Universidad Complutense de Madrid (UCM), Madrid, Spain.
Background: In recent years, the fasciae of the human body have received significant attention because of their crucial role in the transmission of muscle force. However, studies on the development of the fasciae, particularly the cervical fascia, remain scarce.
Purpose: This study was performed to examine the development of the fascia of the infrahyoid strap muscles, also known as the middle layer of the deep cervical fascia (MDCF), in 17 human embryos aged 6-8 weeks and 20 human foetuses aged 9-14 weeks.
The mechanisms of soil preferential flow occurrence and development are influenced by topographic and geomorphological factors. However, the complex distribution patterns of soil preferential flow paths on different slopes remain unclear. Therefore, taking the subtropical evergreen broad-leaved forest area of Simian Mountain as the study area, this study conducted a quantitative analysis of the spatial distribution characteristics and spatial association of soil preferential flow at different slope positions (slope shoulder (SS), mid-slope (SM) and slope foot (SF)) using field staining tracer tests and spatial point pattern analysis.
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