What's the difference between light and refractor?
Light
Definition:
(n.) That agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous.
(n.) That which furnishes, or is a source of, light, as the sun, a star, a candle, a lighthouse, etc.
(n.) The time during which the light of the sun is visible; day; especially, the dawn of day.
(n.) The brightness of the eye or eyes.
(n.) The medium through which light is admitted, as a window, or window pane; a skylight; in architecture, one of the compartments of a window made by a mullion or mullions.
(n.) Life; existence.
(n.) Open view; a visible state or condition; public observation; publicity.
(n.) The power of perception by vision.
(n.) That which illumines or makes clear to the mind; mental or spiritual illumination; enlightenment; knowledge; information.
(n.) Prosperity; happiness; joy; felicity.
(n.) The manner in which the light strikes upon a picture; that part of a picture which represents those objects upon which the light is supposed to fall; the more illuminated part of a landscape or other scene; -- opposed to shade. Cf. Chiaroscuro.
(n.) Appearance due to the particular facts and circumstances presented to view; point of view; as, to state things fairly and put them in the right light.
(n.) One who is conspicuous or noteworthy; a model or example; as, the lights of the age or of antiquity.
(n.) A firework made by filling a case with a substance which burns brilliantly with a white or colored flame; as, a Bengal light.
(superl) Having light; not dark or obscure; bright; clear; as, the apartment is light.
(superl) White or whitish; not intense or very marked; not of a deep shade; moderately colored; as, a light color; a light brown; a light complexion.
(n.) To set fire to; to cause to burn; to set burning; to ignite; to kindle; as, to light a candle or lamp; to light the gas; -- sometimes with up.
(n.) To give light to; to illuminate; to fill with light; to spread over with light; -- often with up.
(n.) To attend or conduct with a light; to show the way to by means of a light.
(v. i.) To become ignited; to take fire; as, the match will not light.
(v. i.) To be illuminated; to receive light; to brighten; -- with up; as, the room lights up very well.
(superl.) Having little, or comparatively little, weight; not tending to the center of gravity with force; not heavy.
(superl.) Not burdensome; easy to be lifted, borne, or carried by physical strength; as, a light burden, or load.
(superl.) Easy to be endured or performed; not severe; not difficult; as, a light affliction or task.
(superl.) Easy to be digested; not oppressive to the stomach; as, light food; also, containing little nutriment.
(superl.) Not heavily armed; armed with light weapons; as, light troops; a troop of light horse.
(superl.) Not encumbered; unembarrassed; clear of impediments; hence, active; nimble; swift.
(superl.) Not heavily burdened; not deeply laden; not sufficiently ballasted; as, the ship returned light.
(superl.) Slight; not important; as, a light error.
(superl.) Well leavened; not heavy; as, light bread.
(superl.) Not copious or heavy; not dense; not inconsiderable; as, a light rain; a light snow; light vapors.
(superl.) Not strong or violent; moderate; as, a light wind.
(superl.) Not pressing heavily or hard upon; hence, having an easy, graceful manner; delicate; as, a light touch; a light style of execution.
(superl.) Easy to admit influence; inconsiderate; easily influenced by trifling considerations; unsteady; unsettled; volatile; as, a light, vain person; a light mind.
(superl.) Indulging in, or inclined to, levity; wanting dignity or solemnity; trifling; gay; frivolous; airy; unsubstantial.
(superl.) Not quite sound or normal; somewhat impaired or deranged; dizzy; giddy.
(superl.) Wanton; unchaste; as, a woman of light character.
(superl.) Not of the legal, standard, or usual weight; clipped; diminished; as, light coin.
(superl.) Loose; sandy; easily pulverized; as, a light soil.
(adv.) Lightly; cheaply.
(v. t.) To lighten; to ease of a burden; to take off.
(v. i.) To dismount; to descend, as from a horse or carriage; to alight; -- with from, off, on, upon, at, in.
(v. i.) To feel light; to be made happy.
(v. i.) To descend from flight, and rest, perch, or settle, as a bird or insect.
(v. i.) To come down suddenly and forcibly; to fall; -- with on or upon.
(v. i.) To come by chance; to happen; -- with on or upon; formerly with into.
Example Sentences:
(1) On Friday night, in a stadium built in an area once deemed an urban wasteland, the flame that has journeyed from Athens to every corner of these islands will light the fire that launches the London Olympics of 2012.
(2) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(3) Morphological alterations in the lungs of pheasants after prolonged high-dosage administration of bleomycin sulfate were studied by light and electron microscopy.
(4) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
(5) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(6) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
(7) We have examined overlapping octapeptides from the kappa IIIb light chain variable region and show that some framework peptides have the ability to bind aggregated IgG.
(8) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
(9) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
(10) A new type of Escherichia coli mutant which shows increased sensitivity to methyl methane sulfonate but not to UV light or to gamma rays was isolated after mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine.
(11) Approximately 90% of the patients have a lambda light chain myeloma protein and almost all patients excrete Bence-Jones protein.
(12) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
(13) In addition, lightly immunostained cells were distinguished in the caudal portion of the hypothalamic arcuate nucleus, area of tuber cinereum, retrochiasmatic area, and rostral portion of the paraventricular thalamic nucleus after colchicine treatment.
(14) Photograph: Guardian The research also compiled data covered by a wider definition of tax haven, including onshore jurisdictions such as the US state of Delaware – accused by the Cayman islands of playing "faster and looser" even than offshore jurisdictions – and the Republic of Ireland, which has come under sustained pressure from other EU states to reform its own low-tax, light-tough, regulatory environment.
(15) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
(16) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
(17) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
(18) Three coyotes were operantly conditioned to depress one of two foot treadles, left or right, depending on the condition of the stimulus light.
(19) These results are discussed in the light of the mode of action of the substances used.
(20) The birds were maintained at a constant temperature in, dim green light.
Refractor
Definition:
(n.) Anything that refracts
(n.) A refracting telescope, in which the image to be viewed is formed by the refraction of light in passing through a convex lens.
Example Sentences:
(1) Using it on young children which are unco-operative the Auto-Refractor is not as sufficient as we hoped it to be.
(2) Four subjective measures of the refractive error of 42 eyes (21 patients) were obtained by 2 examiners, one using a Humphrey Vision Analyzer TM and the other using a conventional refractor.
(3) -- The important field of the Auto-Refractor is the routine refractioning of co-operative patients.
(4) However, for aphakic patients and for patients with clear media and cylindric corrections over 0.50 diopters, the automatic refractor can be used as a substitute for retinoscopy in determining the starting point for a subjective refraction.
(5) Eighty patient-volunteers were refracted by the computer-assisted Refractor III system and the results were compared with those obtained by the usual manual method.
(6) The Bausch and Lomb IVEX (Integrated Vision Examination System) is a computerized refractor, designed for both subjective and objective refraction and binocular vision testing.
(7) Automatic refractors are expected to become an essential tool in current ophthalmological.
(8) A Humphrey Automatic Refractor Model 570 was used to measure the impairment of visual acuity for low contrast optotypes as a result of glare for normal subjects and for subjects with cataracts.
(9) The data were also compared with conventional measurements of refractive error obtained by standard subjective techniques and by an automated infrared refractor.
(10) On the other hand we give a report of our experience using the Auto-Refractor 6600, the before-mentioned measurings were performed with.
(11) The results showed that data from the IVEX Refraction System correlated highly with data from the standard refractor, but a small amount (0.25 D to 0.37 D) of instrument myopia was present in most instances.
(12) This error can be directly and readily eliminated only in computer-actuated refractors by including a computer program which calculates the effective power and makes the necessary correction.
(13) The RM 5000 Auto-refractor was evaluated for one year on 3,618 eyes of 2,037 non selected patients undergoing refraction.
(14) A new refraction system employing traditional modes of testing combined with microprocessor-based electronics and new optical technology was evaluated in a controlled study to determine if the instrument produced subjective refractions corresponding to the traditional refractor.
(15) The refractor consisted of a mirror telephoto lens and strobe flash designed to mimic the action of a retinoscope.
(16) The use of automatic refractors under those conditions holds promise for filling the needs in Third World countries, and suggestions are given for adapting these instruments for the particular conditions encountered during this study.
(17) We failed to express viral genome in refractor phase.
(18) Class-3 drugs prolong refractoring in all compartments of the heart by preventing re-entry in both, AV nodal tachycardias and AV re-entry in the WPW syndrome.
(19) These developments formed the basis for invention of a new subjective refractor-the Vision Analyzer- whose novel design and rapid operation are described.
(20) The effective power of sphero-cylindrical combinations in all currently available eye refractors, when powers of eight to ten diopters are exceeded, may differ from the summated labeled power by a quarter diopter or more, which can be clinically significant.