A refraction test is given as part of a routine eye examination. Learn more. You will do this. All rights reserved.the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.the amount, in angular measure, by which the altitude of a celestial body is increased by the refraction of its light in the earth's atmosphere, being zero at the zenith and a maximum at the horizon.the observed altered location, as seen from the earth, of another planet or the like due to diffraction by the atmosphere.the change in direction of a propagating wave, such as light or sound, in passing from one medium to another in which it has a different velocitythe determination of the refractive condition of the eyethe apparent elevation in position of a celestial body resulting from the refraction of light by the earth's atmosphereThe turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different density.The ability of the eye to bend light so that an image is focused on the retina.Determination of the refractive characteristics of the eye and often the correction of refractive defects with lenses.The bending of a wave, such as a light or sound wave, as it passes from one medium to another medium of different density. refraction definition: 1. the fact of light or sound being caused to change direction or to separate when it travels…. The degree to which a metal or compound can withstand heat
See more. Go forth and refract.

For example, waves in deep water travel faster than in shallow. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Refraction, in physics, the change in direction of a wave passing from one medium to another caused by its change in speed. refraction refraction of light i: angle of incidence r: angle of refraction n. Define refractive.
refractive synonyms, refractive pronunciation, refractive translation, English dictionary definition of refractive. Refractive definition is - having power to refract. refractive synonyms, refractive pronunciation, refractive translation, English dictionary definition of refractive. the deviation of light in passing obliquely from one medium to another of different density. ‘The first is a different refraction for the two polarization components at the lens surfaces, which causes a ray bifurcation at each lens.’ ‘What may be the most impressive adaptation of archerfish is their ability to learn to overcome the physics of the refraction of light passing from air into water.’ the determining of the refractive condition of the eye.

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!Learn a new word every day. Refraction of light can be seen in many places in our everyday life. Some doctors just shine a light into the patients’ eyes, examining how much light bounces off the retina. refraction refraction of light i: angle of incidence r: angle of refraction n. Also used to describe the determination and measurement of the eye's focusing system by an optometrist or ophthalmologist.For now, the REV-1 is making deliveries between .5 and 2.5 miles away, a distance that could allow "The incidence of myopia among Chinese students based on From the velocity relationship, the change of distance, the change of angle, and the conservation of wave energy flux are formulated as the equations to calculate the To evaluate the standard calculator's clinical outcome, firstly, the prediction error (PE) was calculated as followed: "actual Theory of light propagation in strongly modulated photonic crystals: In patients with newly diagnosed diabetes mellitus who have unstable blood glucose levels, * * * About the author: Evan Silverstein, MD, is an assistant professor of ophthalmology and associate resident program director at Virginia Commonwealth University in Richmond, Va. Published by Houghton Mifflin Harcourt Publishing Company. Refraction is also responsible for some natural optical phenomena including rainbows and mirages. Used to describe the action of the cornea and lens on light rays as they enter they eye. refractive definition: 1. causing, caused by, or connected with light or sound changing direction or separating when it…. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'refraction.'


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