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refraction, atmospheric

A Dictionary of Astronomy | 1997 | Â© A Dictionary of Astronomy 1997, originally published by Oxford University Press 1997. (Hide copyright information) Copyright

refraction, atmospheric See atmospheric refraction.

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	System improves accuracy of refractions before, after LASIK Magazine article from: Ophthalmology Times; 11/1/2004; ; 700+ words ; ...WaveScan and manifest refractions were measured...The preoperative refraction in this patient...and cycloplegic refractions, we found that the manifest refraction was slightly more...the wavefront refractions, the manifest...
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	A nonlinear model of the shoaling and refraction of interfacial solitary waves in the ocean. Part II: Oblique refraction across a continental slope and propagation over a ... Magazine article from: Journal of Physical Oceanography; 11/1/2001; ; 700+ words ; ABSTRACT The refraction of internal solitary waves can be due to...linear internal-wave theory predicts small refraction of the wave front, the nonlinear EKdV model shows that the refraction of large amplitude internal waves is significantly...
	Reflections on refraction: a source of ancient imprecision still humbles astronomers. Magazine article from: Science News; 10/13/1990; ; 700+ words ; Reflections on Refraction An invisible sprite plays pranks on...natural trickster -- atmospheric refraction -- toys with their shapes and colors...Center in Greenbelt, Md. Atmospheric refraction prevents greater precision, he reports...
	Birefringence. (use of double refraction in photo lighting technique) Magazine article from: PSA Journal; 2/1/1992; ; 700+ words ; ...effect causes the double refraction. The double refraction varies with different items...is caused by the unequal refraction of different wavelengths...Without cross polarization the refractions are barely visible. Also...
	A refraction statics method for mapping bedrock. Magazine article from: Ground Water; 11/1/1994; ; 700+ words ; ...obtaining static time shifts is the refraction statics method which determines time...bedrock. There are many variations on refraction statics methods, ranging from complex...The bedrock image obtained by the refraction statics method is a time section that...
	Rainbow's bend.(Thomas Harriot, the true discoverer of the law of refraction)(Brief Article) Magazine article from: New Scientist; 8/11/2001; ; 700+ words ; ...wide-ranging interests was the phenomenon of refraction. The law of refraction was eagerly sought by designers of optical instruments...inherited lists and rules of thumb for describing refraction were known to be incomplete and, in places...
	Researchers examine effect of horizontal strabismus surgery on refraction Magazine article from: Ophthalmology Times; 10/15/2008; ; 700+ words ; ...aware of this possibility of a change in their refraction, and the final refraction should be made after surgery, especially in...affect the refractive index and, therefore, the refraction. Changes in refraction after strabismus surgery...
	Gravity Wave Refraction by Three-Dimensionally Varying Winds and the Global Transport of Angular Momentum Magazine article from: Journal of the Atmospheric Sciences; 9/1/2008; ; 700+ words ; ...neglects horizontal propagation as well as refraction by horizontally inhomogeneous basic...established whether horizontal propagation and refraction are indeed negligible for atmospheric...internal gravity waves that allows wave refraction and horizontal propagation in spherical...
	U.S., Ukrainian, Greek Inventors Develop Eye Aberration Refraction Measurement Method News Wire article from: US Fed News Service, Including US State News; 12/11/2007; 514 words ; ...have developed an eye aberration refraction measuring method. According to the...provided for measuring aberration refraction of an eye with a first device for measuring the total aberration refraction of the eye and a second device for...

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