نتایج جستجو برای: double sand lenses

تعداد نتایج: 282103  

Journal: :Ophthalmology 2002
Seang-Mei Saw Edwin Chan Shih-Yen Adrian Koh Donald Tan

TOPIC To evaluate the efficacy of interventions such as eyedrops, bifocal lenses, or contact lenses in retarding the progression of myopia in myopic children. CLINICAL RELEVANCE Myopia is a common ocular disorder, and high myopia (myopia at least -6.0 diopters) is associated with potentially blinding conditions. At present, there are no general guidelines on interventions that may decrease my...

Journal: :The Journal of biological chemistry 2005
Anna J Zandy Saquib Lakhani Timothy Zheng Richard A Flavell Steven Bassnett

The notion that the cell death machinery is utilized during lens organelle degradation is supported by the observation that well characterized apoptotic substrates are cleaved during this process. Here, we test directly the role of executioner caspases (caspase-3, -6, and -7) in fiber cell differentiation. The distribution of mRNA, protein, and enzymatic activity for each caspase was determined...

2005
Anna J. Zandy Saquib Lakhani Timothy Zheng Richard A. Flavell Steven Bassnett

The notion that the cell death machinery is utilized during lens organelle degradation is supported by the observation that well characterized apoptotic substrates are cleaved during this process. Here, we test directly the role of executioner caspases (caspase-3, -6, and -7) in fiber cell differentiation. The distribution of mRNA, protein, and enzymatic activity for each caspase was determined...

Journal: :Environmental science & technology 2007
J Hønning M M Broholm P L Bjerg

The effect of in situ chemical oxidation (ISCO) with permanganate (MnO4-) on tetrachloroethene (PCE) in a dual permeability system consisting of low permeability clay with high permeability sand lenses was investigated by two-dimensional laboratory experiments. The experiments imitate a field remediation at a former dry cleaning facility in Denmark. Results from laboratory experiments and field...

2008
HuanYuan Shan Martin Feix Benoit Famaey HongSheng Zhao

Strong gravitational lensing by galaxies in MOdified Newtonian Dynamics (MOND) has until now been restricted to spherically symmetric models. These models were able to account for the size of the Einstein ring of observed lenses, but were unable to account for doubleimaged systems with collinear images, as well as four-image lenses. Non-spherical models are generally cumbersome to compute numer...

Journal: :Journal of biomedical optics 2012
Lenny A Romero María S Millán Zbigniew Jaroszewicz Andrzej Kolodziejczyk

The aged human eye is commonly affected by presbyopia, and therefore, it gradually loses its capability to form images of objects placed at different distances. Extended depth of focus (EDOF) imaging elements can overcome this inability, despite the introduction of a certain amount of aberration. This paper evaluates the EDOF imaging performance of the so-called peacock eye phase diffractive el...

2008
HuanYuan Shan Martin Feix Benoit Famaey HongSheng Zhao

Strong gravitational lensing by galaxies in modified Newtonian dynamics (MOND) has until now been restricted to spherically symmetric models. These models were able to account for the size of the Einstein ring of observed lenses, but were unable to account for doubleimaged systems with collinear images, as well as four-image lenses. Non-spherical models are generally cumbersome to compute numer...

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