Results 131 to 140 of about 31,207 (305)
INTRA-OCULAR LENS DISPLACEMENT
Gomal Journal of Medical Sciences, 2015 A 50 years old man presented with visual impairment two months after undergoing extracapsular cataract extraction with intra-ocular lens (IOL) implantation. The IOL is displaced to the anterior chamber superiorly.
Muhammad Marwat
doaj
Equivalent power of the crystalline lens of the human eye: comparison of methods of calculation
, 1997 We present four methods, with different levels of sophistication and precision, for calculating the refractive power of the ocular lens from its optical structure.
Smith, George, Atchison, David A.
core
Lessons From Drug Discovery for Cryoprotective Agent Design: An AI‐Oriented Perspective
Advanced Science, EarlyView.Cryoprotectant design is reframed through the lens of drug discovery as a multiparameter optimization problem. This perspective highlights how AI and systematic design strategies could enable safer, more effective cryoprotectants, while identifying key limitations that currently constrain predictive progress in cryobiology. ABSTRACT Cryopreservation is
Dominika Wilczok +4 more
wiley +1 more source
Automated analysis of OCT images of the crystalline lens
, 2009 Presbyopia is the age related, gradual loss of accommodation, mainly due to changes in the crystalline lens. As part of research efforts to understand and cure this condition, ex vivo, cross-sectional OCT images of crystalline lenses were obtained and ...
Ehrmann, Klaus +4 more
core +1 more source
Field‐Frustrated Cooperative Distortions: Suppressing Jahn‐Teller Ordering via Microwave Annealing
Advanced Science, EarlyView.Microwave annealing decouples local Jahn‐Teller distortions from long‐range cooperative ordering in CuFe2O4, stabilizing a metastable cubic phase that remains locally distorted yet globally symmetry‐frustrated. Synchrotron XRD, PDF, XPS, and in situ thermal cycling reveal how non‐equilibrium MW‐phonon interactions suppress cooperative orbital‐lattice ...
Daryoosh Vashaee, Kelvin Dsouza
wiley +1 more source
Communications MedicineBackground As a key element of ocular accommodation, the inherent mechanical stiffness gradient and the gradient refractive index (GRIN) of the crystalline lens determine its deformability and optical functionality.
Sabine Kling +6 more
doaj +1 more source
Proposal for a Laue lens with quasi-mosaic crystalline tiles
, 2011 Quasi-mosaicity is an effect of secondary bending within a crystal driven by crystalline anisotropy. This effect can be used to fabricate a series of curved crystals for the realization of a Laue lens.
Riccardo Camattari +7 more
core +1 more source
Advanced Science, EarlyView.This study utilized alloy micro‐galvanic coupling design to regulate the release of essential elements, thereby programming immune responses and promoting regeneration. The sacrificial anodic process of Zn‐0.8Mg reduced Zn2+ release compared to the “large cathode‐small anode” coupling of Zn‐0.8Fe.
Chaoyang Sun +14 more
wiley +1 more source
A Tale of Absent Crystalline Lens in an Eye with Retinoblastoma
, 2018 <b><i>Purpose:</i></b> To report the clinicopathological correlation of absent crystalline lens in an eye with retinoblastoma.
Vikas Khetan +3 more
core +1 more source
All‐Solution‐Processed Perovskite Light‐Emitting Transistors Enabled by a Fully Organic Architecture
Advanced Electronic Materials, EarlyView.Fully solution‐processed light‐emitting transistors based on CsPbBr3 perovskite nanocrystals (Pe‐LETs) are demonstrated using an all‐organic platform. By optimizing film formation and device integration, the Pe‐LETs achieve bright green emission with excellent color purity and a peak external quantum efficiency of 4.17 × 10−3 %, marking a step forward ...
Kelment Zahoaliaj +8 more
wiley +1 more source