Air kerma to H-P(3) conversion coefficients for IEC 61267 RQR X-RAY radiation qualities: application to dose monitoring of the lens of the eye in medical diagnostics [PDF]
, 2016 Recent studies highlight the fact that the new eye lens dose limit can be exceeded in interventional radiology procedures and that eye lens monitoring could be required for these workers.
Duch Guillen, María Amor +3 more
core +2 more sources
Utilizing Monte Carlo simulations in estimation of occupational eye lens dose based on whole body dosemeter in interventional cardiology and radiology [PDF]
Nuclear Technology and Radiation Protection, 2018 Medical staff performing interventional procedures in cardiology and radiology is considered to be a professional group exposed to high doses of ionizing radiation.
Božović Predrag M. +4 more
doaj +1 more source
High-Performance PVC Gel for Adaptive Micro-Lenses with Variable Focal Length. [PDF]
, 2017 This paper presents a bio-inspired adaptive micro-lens with electrically tunable focus made of non-ionic high-molecular-weight polyvinyl chloride (PVC) gel. The optical device mimics the design of the crystalline lens and ciliary muscle of the human eye.
Bae, Jin +7 more
core +1 more source
Journal of Medical Internet Research, 2020 BackgroundDiscontinuation of contact lens use is mainly caused by contact lens–associated dry eye. It is crucial to delineate contact lens–associated dry eye's multifaceted nature to tailor treatment to each patient’s individual needs for future ...
Inomata, Takenori +15 more
doaj +1 more source
Nuclear Engineering and Technology, 2021 Epidemiological research has revealed that radiation exposure can cause cataracts. The Korean nuclear regulatory body has proposed the reduction of the occupational dose limit for the lens of the eye from 150 mSv/y to 100 mSv/5y, with an additional ...
Tae Young Kong +6 more
doaj +1 more source
A medieval fallacy: the crystalline lens in the center of the eye. [PDF]
, 2016 ObjectiveTo determine whether, as most modern historians have written, ancient Greco-Roman authors believed the crystalline lens is positioned in the center of the eye.BackgroundHistorians have written that statements about cataract couching by Celsus ...
Hadi, Tamer M +4 more
core +1 more source
Temporal properties of the lens eyes of the box jellyfish Tripedalia cystophora [PDF]
, 2010 Box jellyWsh (Cubomedusae) are visually orientating animals which posses a total of 24 eyes of 4 morphological types; 2 pigment cup eyes (pit eye and slit eye) and 2 lens eyes [upper lens-eye (ule) and lower lens-eye (lle)].
Anders Garm +2 more
core +2 more sources
Role of 25 MHz Ultrasound Biomicroscopy in the Detection of Subluxated Lenses
Journal of Ophthalmology, 2018 Background. The purpose of this observational case series study was to investigate the role of 25 MHz ultrasound biomicroscopy (UBM) in detecting subluxated lenses and compare it with 50 MHz UBM. Methods.
Mingyu Shi +3 more
doaj +1 more source
Design and Simulation of Compound Eye Lens for Visible Light Communication and Illumination
Advances in Condensed Matter Physics, 2020 We proposed a scheme for designing an optical launch system that can make the light intensity more uniform on the receiving plane via a compound eye lens combined with a sunflower plano-convex lens.
Jiehui Li, Qian Zhang
doaj +1 more source
New insight into cataract formation -- enhanced stability through mutual attraction [PDF]
, 2007 Small-angle neutron scattering experiments and molecular dynamics simulations combined with an application of concepts from soft matter physics to complex protein mixtures provide new insight into the stability of eye lens protein mixtures.
A. Stradner +12 more
core +2 more sources