What's the difference between refractor and sound?
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.
Sound
Definition:
(n.) The air bladder of a fish; as, cod sounds are an esteemed article of food.
(n.) A cuttlefish.
(superl.) Whole; unbroken; unharmed; free from flaw, defect, or decay; perfect of the kind; as, sound timber; sound fruit; a sound tooth; a sound ship.
(superl.) Healthy; not diseased; not being in a morbid state; -- said of body or mind; as, a sound body; a sound constitution; a sound understanding.
(superl.) Firm; strong; safe.
(superl.) Free from error; correct; right; honest; true; faithful; orthodox; -- said of persons; as, a sound lawyer; a sound thinker.
(superl.) Founded in truth or right; supported by justice; not to be overthrown on refuted; not fallacious; as, sound argument or reasoning; a sound objection; sound doctrine; sound principles.
(superl.) heavy; laid on with force; as, a sound beating.
(superl.) Founded in law; legal; valid; not defective; as, a sound title to land.
(adv.) Soundly.
(n.) A narrow passage of water, or a strait between the mainland and an island; also, a strait connecting two seas, or connecting a sea or lake with the ocean; as, the Sound between the Baltic and the german Ocean; Long Island Sound.
(v. t.) To measure the depth of; to fathom; especially, to ascertain the depth of by means of a line and plummet.
(v. t.) Fig.: To ascertain, or try to ascertain, the thoughts, motives, and purposes of (a person); to examine; to try; to test; to probe.
(v. t.) To explore, as the bladder or urethra, with a sound; to examine with a sound; also, to examine by auscultation or percussion; as, to sound a patient.
(v. i.) To ascertain the depth of water with a sounding line or other device.
(n.) Any elongated instrument or probe, usually metallic, by which cavities of the body are sounded or explored, especially the bladder for stone, or the urethra for a stricture.
(n.) The peceived object occasioned by the impulse or vibration of a material substance affecting the ear; a sensation or perception of the mind received through the ear, and produced by the impulse or vibration of the air or other medium with which the ear is in contact; the effect of an impression made on the organs of hearing by an impulse or vibration of the air caused by a collision of bodies, or by other means; noise; report; as, the sound of a drum; the sound of the human voice; a horrid sound; a charming sound; a sharp, high, or shrill sound.
(n.) The occasion of sound; the impulse or vibration which would occasion sound to a percipient if present with unimpaired; hence, the theory of vibrations in elastic media such cause sound; as, a treatise on sound.
(n.) Noise without signification; empty noise; noise and nothing else.
(v. i.) To make a noise; to utter a voice; to make an impulse of the air that shall strike the organs of hearing with a perceptible effect.
(v. i.) To be conveyed in sound; to be spread or published; to convey intelligence by sound.
(v. i.) To make or convey a certain impression, or to have a certain import, when heard; hence, to seem; to appear; as, this reproof sounds harsh; the story sounds like an invention.
(v. t.) To causse to make a noise; to play on; as, to sound a trumpet or a horn.
(v. t.) To cause to exit as a sound; as, to sound a note with the voice, or on an instrument.
(v. t.) To order, direct, indicate, or proclain by a sound, or sounds; to give a signal for by a certain sound; as, to sound a retreat; to sound a parley.
(v. t.) To celebrate or honor by sounds; to cause to be reported; to publish or proclaim; as, to sound the praises of fame of a great man or a great exploit.
(v. t.) To examine the condition of (anything) by causing the same to emit sounds and noting their character; as, to sound a piece of timber; to sound a vase; to sound the lungs of a patient.
(v. t.) To signify; to import; to denote.
Example Sentences:
(1) The sound of the ambulance frightened us, especially us children, and panic gripped the entire community: people believe that whoever is taken into the ambulance to the hospital will die – you so often don’t see them again.
(2) Here, we review the nature of the heart sound signal and the various signal-processing techniques that have been applied to PCG analysis.
(3) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
(4) Compared with conservative management, better long-term success (determined by return of athletic soundness and less evidence of degenerative joint disease) was achieved with surgical curettage of elbow subchondral cystic lesions.
(5) Respiratory alteration in the intensity of heart sounds is one of the commonest auscultatory pitfalls.
(6) I usually use them as a rag with which to clean the toilet but I didn’t have anything else to wear today because I’m so fat.” While this exchange will sound baffling to outsiders, to Brits it actually sounds like this: “You like my dress?
(7) It is felt that otologic surgery should be done before the pinna reconstruction as it is very important to try and introduce sound into these children at an early age.
(8) To evaluate the relationship between the motion pattern and degree of organic change of the anterior mitral leaflet (AML) and the features of the mitral component of the first heart sound (M1) or the opening snap (OS), 37 patients with mitral stenosis (MS) were studied by auscultation, phonocardiography and echocardiography.
(9) The talent base in the UK – not just producers and actors but camera and sound – is unparalleled, so I think creativity will continue unabated.” Lee does recognise “massive” cultural differences between the US and UK.
(10) Among the epileptic patients investigated by the stereotactic E. E. G. (Talairach) whose electrodes were introduced at or around the auditory cortex (Area 41, 42), the topography of the auditory responses by the electrical bipolar stimulation and that of the auditory evoked potential by the bilateral click sound stimulation were studied in relation to the ac--pc line (Talairach).
(11) Seconds later the camera turns away as what sounds like at least 15 gunshots are fired amid bystanders’ screams.
(12) Not making a sound for 24 hours pretty nearly killed me.
(13) The decision of the editors to solicit a review for the Medical Progress series of this journal devoted to current concepts of the renal handling of salt and water is sound in that this important topic in kidney physiology has recently been the object of a number of new, exciting and, in some instances, quite unexpected insights into the mechanisms governing sodium excretion.
(14) Reduced mineral absorption is fairly well documented and has sound theoretical support from basic chemistry.
(15) Endogenous sound-induced (binaural) inhibition which is suggested to be GABA-mediated is also significantly reduced in IC neurons of the GEPR.
(16) Five horses raced successfully and lowered the lifetime race records, 1 horse was sound and trained successfully, but died of colic, and 1 horse was not lame in early training.
(17) This paper reports two experiments concerned with verbal representation in the test stage of recognition memory for naturalistic sounds.
(18) Although sound pressure levels are high, they are probably reduced before reaching the cochlea of the fetus because of the surrounding amniotic fluid and the fluid in the middle ear.
(19) The purpose of the present study was to investigate the effects of listening experience on the perception of intraphonemic differences in the absence of specific training with the synthetic speech sounds being tested.
(20) Digital respirosonography provides an easy way to assess lung sound amplitudes, frequencies and timing over several breaths.