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Examining Penetration and Residual Depth in Modern Acrylic Foldable Intraocular Lenses: A Laboratory Study Using Differential Interference Contrast Microscopy to Compare Hydrophilic and Hydrophobic Materials.
Cureus
September 2024
Ophthalmology, Borkenstein and Borkenstein, Private Practice at Privatklinik Kreuzschwestern, Graz, AUT.
Introduction The material of modern intraocular lenses must meet the highest standards and fulfill various requirements. It is crucial that the material shows the best biocompatibility and should be flexible for an uncomplicated implantation process through small corneal incisions but also sufficiently rigid for good stability and centering in the capsular bag. In addition, the optic must remain clear for life and retain the best optical properties.
View Article and Find Full Text PDFAn individual's skin stiffness predicts their tactile discrimination of compliance.
J Physiol
December 2023
Systems and Information Engineering, Mechanical Engineering, School of Engineering and Applied Science, University of Virginia, Charlottesville, VA, USA.
Individual differences in tactile acuity have been correlated with age, gender and finger size, whereas the role of the skin's stiffness has been underexplored. Using an approach to image the 3-D deformation of the skin surface during contact with transparent elastic objects, we evaluate a cohort of 40 young participants, who present a diverse range of finger size, skin stiffness and fingerprint ridge breadth. The results indicate that skin stiffness generally correlates with finger size, although individuals with relatively softer skin can better discriminate compliant objects.
View Article and Find Full Text PDFUltrasonic mid-air haptic technology allows for the perceptual rendering of textured surfaces onto the user's hand. Unlike real textured surfaces, however, mid-air haptic feedback lacks implicit multisensory cues needed to reliably infer a texture's attributes (e.g.
View Article and Find Full Text PDFAn individual's skin stiffness predicts their tactile acuity.
bioRxiv
July 2023
Systems and Information Engineering, Mechanical Engineering, University of Virginia.
Individual differences in tactile acuity have been correlated with age, gender, and finger size, while the role of the skin's stiffness has been underexplored. Using an approach to image the 3-D deformation of the skin surface while in contact with transparent elastic objects, we evaluate a cohort of 40 young participants, who present a diverse range of finger size, skin stiffness, and fingerprint ridge breadth. The results indicate that skin stiffness generally correlates with finger size, although individuals with relatively softer skin can better discriminate compliant objects.
View Article and Find Full Text PDFComparative Analysis of Elastic Polyester Sportswear Fabrics with Printed Graphene Patterns.
Materials (Basel)
March 2023
Fashion and Textiles Innovation Lab (FTILab), HOGENT University of Applied Science and Arts, 9051 Ghent, Belgium.
In this study two elastic polyester fabrics differentiated by a graphene-printed pattern, called honeycomb (HC) and spider web (SW), were analyzed with a focus on their thermal, mechanical, moisture management and sensorial properties, aiming to identify the fabric with the most elevated heat dissipation and comfort for sportswear. The shape of the graphene-printed circuit did not lead to significant difference between the mechanical properties of the fabrics SW and HC assessed by the Fabric Touch Tester (FTT). Fabric SW outperformed fabric HC with respect of drying time, air permeability, moisture, and liquid management properties.
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