reduced results from

147 billion

495 million

3 million

12144

to ~79 options

options split into images, definition, symptoms, related diagnoses, diagnostic tests, therapies, and medications

what is 'refraction'? Definition for Refraction Refraction is a medical procedure used for such diagnoses as: refractive error, idiopathic cataract and ectopia lentis. related diagnosis for 'refraction' 1 - 5 of 12 diagnosis refractive error near or far sightedness Refraction and refractive error idiopathic cataract cataract of unknown cause Refraction and idiopathic cataract ectopia lentis displaced lens of eye Refraction and ectopia lentis far sightedness good distance vision Refraction and far sightedness astigmatism type of refraction error of eye Refraction and astigmatism near sightedness myopia:poor distance vision Refraction and near sightedness presbyopia decreased ability to focus lens of eye with aging Refraction and presbyopia retinitis pigmentosa genetic vision problems leading to blindness Refraction and retinitis pigmentosa corneal ulcer sore or abrasion on cornea Refraction and corneal ulcer macular degeneration blindness due to degeneration of macula Refraction and macular degeneration retinal detachment detachment of light sensitive layer of eye from supporting eye tissue Refraction and retinal detachment retinal vein occlusion blockage of vein to light sensitive tissue in eye Refraction and retinal vein occlusion for more please login, login is free (click to login) related procedure for 'refraction'/associated diagnoses 1 - 5 of 44 procedures eye surgery Refraction and eye surgery Comprehensive eye exam Refraction and Comprehensive eye exam Intraocular Lens Implant Refraction and Intraocular Lens Implant vision tests Refraction and vision tests Slit lamp examination Refraction and Slit lamp examination Contact lenses Refraction and Contact lenses Photorefractive Keratoplasty Refraction and Photorefractive Keratoplasty Laser therapy Refraction and Laser therapy Eyeglasses Refraction and Eyeglasses Laser-assisted in situ keratomileusis (LASIK) Refraction and Laser-assisted in situ keratomileusis (LASIK) Refractive surgery Refraction and Refractive surgery Corneal surgery Refraction and Corneal surgery Phakic Intraocular Lens Implant Refraction and Phakic Intraocular Lens Implant Laser-assisted subepithelial keratomileusis (LASEK) Refraction and Laser-assisted subepithelial keratomileusis (LASEK) Tonometry Test to measure fluid pressure inside the eye Refraction and Tonometry Retinoscopy Refraction and Retinoscopy Keratoplasty Eye Surgery Refraction and Keratoplasty Eye Surgery Corneal ring implants Refraction and Corneal ring implants Conductive Keratoplasty Refraction and Conductive Keratoplasty Corrective lenses Refraction and Corrective lenses for more please login, login is free (click to login) related medication for 'refraction'/associated diagnoses 1 - 5 of 44 drugs ciprofloxacin Refraction and ciprofloxacin erythromycin Refraction and erythromycin dexamethasone Refraction and dexamethasone nepafenac ophthalmic Refraction and nepafenac ophthalmic phenylephrine hcl Refraction and phenylephrine hcl prednisolone acetate 1% Refraction and prednisolone acetate 1% ibuprofen Refraction and ibuprofen a: advil Refraction and a: advil a: aleve Refraction and a: aleve naproxen sodium Refraction and naproxen sodium acetazolamide Refraction and acetazolamide beta-carotene Refraction and beta-carotene vitamin e Refraction and vitamin e ascorbic acid Refraction and ascorbic acid ciliary neurotrophic factor (cntf) Refraction and ciliary neurotrophic factor (cntf) diltiazem Refraction and diltiazem docosahexaenoic acid (dha) Refraction and docosahexaenoic acid (dha) isotretinoin Refraction and isotretinoin lutein Refraction and lutein methazolamide Refraction and methazolamide for more please login, login is free (click to login) The following are types of physicians relevant for 'Refraction'. related types of physicians 'family practitioner, genetics specialist, internist' show local physicians postal code Find Local stars represent relevance to topic not rating more The results are computer generated suggestions to help you find a physician. MEDgle does not recommend any particular type of physician or claim to be complete or accurate in the providers and specialties suggested. web search results for 'refraction'? Results 1 - 50 - Refraction refraction Painting glossary: refraction ... Join the Painting Forum & Community Absolute Beginners to Painting FAQ Step-by ... Painting for Beginners Color Theory ... http://painting.about.com/library/glossary/bldefrefraction.htm   painting.about.com - summary Refraction The deflection of radiant energy from a straight path in one medium to a different path in another medium of different index of refraction. http://composite.about.com/library/glossary/r/bldef-r4485.htm?p=1   composite.about.com - summary Atmospheric refraction - Wikipedia, the free encyclopedia Atmospheric refraction is the deviation of light or other electromagnetic wave ... The term also applies to the refraction of sound. ... http://en.wikipedia.org/wiki/Atmospheric_refraction   en.wikipedia.org - summary Refraction - Simple English Wikipedia, the free encyclopedia ... the straw appears to bend, due to refraction of light as it moves into the air. Refraction is the change in direction of a wave, caused by the change in the ... http://simple.wikipedia.org/wiki/Refraction   simple.wikipedia.org - summary MedlinePlus Medical Encyclopedia: Refraction test The refraction test is an eye exam that measures a person's ability to see an ... The information obtained from a refraction test helps provide the correct ... http://www.nlm.nih.gov/medlineplus/ency/article/003844.htm   www.nlm.nih.gov - summary Optics & Refraction REFRACTION IN CONVEX AND CONCAVE SPHERES ... REFRACTION OF THE EYE ... Refraction of the eye ... http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1705958   www.pubmedcentral.nih.gov - summary Seismic refraction Minerals, Gems & Resources Rocks & Soil Landforms & Features ... seismic refraction's ... and record a seismic refraction line crossing the Green Valley ... http://geology.about.com/b/2007/09/04/seismic-refraction.htm   geology.about.com - summary Birefringence - Wikipedia, the free encyclopedia Birefringence, or double refraction, is the decomposition of a ray of light into ... with different indices of refraction for oppositely-handed circular ... http://en.wikipedia.org/wiki/Double_refraction   en.wikipedia.org - summary Levelling refraction - Wikipedia, the free encyclopedia The classical work on levelling refraction is that of TJ Kukkamäki in 1938-39. ... Levelling refraction can be eliminated by either of two techniques: ... http://en.wikipedia.org/wiki/Levelling_refraction   en.wikipedia.org - summary Seismic Refraction Method How a seismic refraction line is prepared and recorded. ... The seismic refraction method is a geophysical technique widely used to explore the ground. ... http://geology.about.com/od/activitiesbasics/ig/seisrefraction/   geology.about.com - summary Réfraction - Wikipédia ... et sismologie ? le phénomène de réfraction est la déviation d'une onde lorsque ... Seule la seconde loi de Snell-Descartes concerne la réfraction. ... http://fr.wikipedia.org/wiki/R%C3%A9fraction   fr.wikipedia.org - summary refraction - Space and Astronomy Definition - Online Dictionary and ... refraction - from an ever growing glossary of space and astronomy definitions. ... Glossaries> Astronomy Dictionary> refraction - Space and Astronomy Definition ... http://space.about.com/od/glossaries/g/refraction.htm   space.about.com - summary refraction "refraction" From Department of Defense, for About.com. Filed In: The Services > Joint Services > ... The crest of the wave advancing in shallower water moves ... http://usmilitary.about.com/od/glossarytermsr/g/r5238.htm   usmilitary.about.com - summary eMedicine - Neuro-ophthalmic Examination : Article by Edsel Ing Introduction This article is not an exhaustive treatise of neuro-ophthalmic ... Sensory Testing, Refraction, Acuity Testing, Color Vision, and Other Tests ... http://www.emedicine.com/oph/fulltopic/topic643.htm   www.emedicine.com - summary New Composite Material Reverses Snell's Law This is the first known material with a negative index of refraction. ... law, which describes the angle of refraction produced by the slowing of light ... http://composite.about.com/library/PR/2001/blucsd2.htm?p=1   composite.about.com - summary Metamaterial - Wikipedia, the free encyclopedia ... web-based demonstrations of materials with negative index of refraction. ... of a Negative Index of Refraction. How To Make an Object Invisible ... http://en.wikipedia.org/wiki/Negative_refraction   en.wikipedia.org - summary Huygens' Principle - introduction to Huygens' Principle We explain Huygens' Principle of wave diffraction, which is applied in ... The laws of reflection and refraction can both be derived from Huygens' principle. ... http://physics.about.com/od/mathematicsofwaves/a/huygensprincipl.htm   physics.about.com - summary Refraction - Wikipedia, the free encyclopedia For the property of metals, see refraction (metallurgy) ... In optics, refraction occurs when light waves travel from a medium with a given ... http://en.wikipedia.org/wiki/Refraction   en.wikipedia.org - summary Refractive index - Wikipedia, the free encyclopedia The refractive index (or index of refraction) of a medium is a measure for how ... Refraction of light at the interface between two media of different refractive ... http://en.wikipedia.org/wiki/Refractive_index   en.wikipedia.org - summary www.lobos.nih.gov/Charmm/Povray3/pov30027.html Refraction ... Note also that refraction does not cause the object to be transparent. ... The index of refraction or ior value is used by scientists to describe the ... http://www.lobos.nih.gov/Charmm/Povray3/pov30027.html   www.lobos.nih.gov - summary eMedicine - Neuro-ophthalmic Examination : Article by Edsel Ing, MD, FRCS(C) Neuro-ophthalmic Examination - This article is not an exhaustive treatise of neuro-ophthalmic signs, but it emphasizes ... Testing, Refraction, Acuity ... http://www.emedicine.com/neuro/topic477.htm   www.emedicine.com - summary Refraction changes in children developing convergent or divergent ... ... 41) it was possible to obtain several refraction values between 1 and 6 years of ... was to describe changes of refraction before and after onset of ... http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=504391   www.pubmedcentral.nih.gov - summary Seismic Refraction Method - Geophones Geophones are used to collect data on a seismic refraction line. ... Minerals, Gems & Resources Rocks & Soil Landforms & Features Quakes, Volcanoes ... http://geology.about.com/od/activitiesbasics/ig/seisrefraction/geophones.htm   geology.about.com - summary Snell's law - Wikipedia, the free encyclopedia Discovery of the law of refraction. Snell's Law of Refraction (Wave Fronts) by Todd Rowland, The Wolfram Demonstrations Project. ... http://en.wikipedia.org/wiki/Snell's_law   en.wikipedia.org - summary Talk:Refraction - Wikipedia, the free encyclopedia 6 Shouldn't wave refraction in the sea (water waves) get a look in? 7 Way too many vague images ... thing DOES demonstrate refraction, but it's definately a ... http://en.wikipedia.org/wiki/Talk:Refraction   en.wikipedia.org - summary Refraction test The refraction test is an eye exam that measures a person's ability to see an object at a specific distance. ... Refraction test Eye Exams - Schedules for Eye ... http://adam.about.com/encyclopedia/003844ris.htm?p=1   adam.about.com - summary Dispersion (optics) - Wikipedia, the free encyclopedia ... be seen that the angle of refraction of light in a prism depends on ... amplifier · Optical fiber · Optical lens design · Photochromic lens · Refraction ... http://en.wikipedia.org/wiki/Dispersion_(optics)   en.wikipedia.org - summary List of refractive indices - Wikipedia, the free encyclopedia In general, an index of refraction is a complex number with both a real and ... Luxpop: Index of refraction values and photonics calculations ... http://en.wikipedia.org/wiki/List_of_indices_of_refraction   en.wikipedia.org - summary Mirage - Wikipedia, the free encyclopedia The principal physical cause of a mirage, however, is refraction rather than reflection. ... Refraction. Atmospheric refraction. Fata Morgana (mirage) Novaya ... http://en.wikipedia.org/wiki/Mirage   en.wikipedia.org - summary Seismic Refraction Method - The Seismic Refraction Line A field crew lays out a seismic refraction line. ... Seismic Refraction Line. A 100-meter line is laid out across the Green Valley fault. ... http://geology.about.com/od/activitiesbasics/ig/seisrefracti...   geology.about.com - summary Refraction (metallurgy) - Wikipedia, the free encyclopedia In metallurgy, refraction is a property of metals that indicates their ability ... Metals with a high degree of refraction are referred to as refractory. ... http://en.wikipedia.org/wiki/Refraction_(metallurgy)   en.wikipedia.org - summary Refractive error - Wikipedia, the free encyclopedia A refractive error, or refraction error, is an error in the focusing of light by ... known as refraction or refractometry. ... accommodation and refraction ... http://en.wikipedia.org/wiki/Refraction_error   en.wikipedia.org - summary Seismic refraction - Wikipedia, the free encyclopedia ... and exploration geophysics, seismic refraction traverses (seismic lines) are ... The seismic refraction method utilizes the refraction of seismic waves on ... http://en.wikipedia.org/wiki/Seismic_refraction   en.wikipedia.org - summary Seismic Refraction Method - The Seismic Data Collection Center Data from a seismic refraction line is collected in the field on a laptop. ... The center of this short seismic refraction line is a ruggedized laptop and the ... http://geology.about.com/od/activitiesbasics/ig/seisrefraction/seismocenter.htm   geology.about.com - summary Talk:Total refraction - Wikipedia, the free encyclopedia Talk:Total refraction. From Wikipedia, the free encyclopedia. Jump to: navigation, search ... For total refraction impedances must match, i.e. Z1 = Z2. ... http://en.wikipedia.org/wiki/Talk:Total_refraction   en.wikipedia.org - summary Timeline of electromagnetism and classical optics - Wikipedia, the free ... 130 ? Claudius Ptolemy tabulates angles of refraction for several media ... total internal reflection, a small-angle refraction law, and thin lens optics, ... http://en.wikipedia.org/wiki/Timeline_of_electromagnetism_and_classical_optics   en.wikipedia.org - summary coastal refraction Glossary of United States Military words and phrases -- coastal refraction ... "coastal refraction" From Department of Defense, for About.com. Filed In: The ... http://usmilitary.about.com/od/glossarytermsc/g/coastalrefract.htm?p=1   usmilitary.about.com - summary Total internal reflection - Wikipedia, the free encyclopedia ... angle, this will prevent refraction at the air/glass boundary ... This equation is a simple application of Snell's law where the angle of refraction is 90° ... http://en.wikipedia.org/wiki/Critical_angle   en.wikipedia.org - summary Light - Wikipedia, the free encyclopedia The refraction quality of lenses is frequently used to manipulate light in order ... light, but could only explain refraction by incorrectly assuming that light ... http://en.wikipedia.org/wiki/Light_reflection   en.wikipedia.org - summary eMedicine - Objective Refractometers and Wavefront Imaging : Article by ... refraction, refractive correction, refractive surgery, visual acuity ... Ray and Wave Model of the Description of the Optical Properties of the Eye ... http://www.emedicine.com/proc/TOPIC744.HTM   www.emedicine.com - summary Ripple tank - Wikipedia, the free encyclopedia ... of waves, including reflection, refraction, interference and diffraction, can be ... In practice, showing refraction with a ripple tank is quite tricky to do. ... http://en.wikipedia.org/wiki/Ripple_tank   en.wikipedia.org - summary Slow light - Wikipedia, the free encyclopedia When this occurs the index of refraction can be determined for a material as follows: ... where n is the index of refraction, c is the speed of light in a ... http://en.wikipedia.org/wiki/Slow_light   en.wikipedia.org - summary Super Refraction - Wikipedia, the free encyclopedia Super Refraction. 1997. Drunk With You. 2002. Super Refraction is the second full-length album by former Boston, Massachusetts ... http://en.wikipedia.org/wiki/Super_Refraction   en.wikipedia.org - summary Superlens - Wikipedia, the free encyclopedia ... page describes first demonstration of negative refraction in a natural material. Link to research paper on negative refraction in visible light in YVO4 bicrystal ... http://en.wikipedia.org/wiki/Superlens   en.wikipedia.org - summary Talk:Polarizer - Wikipedia, the free encyclopedia Snell's law and refraction The rays experience differing ... Refraction takes place ... the refractive index of refraction of Canada balsam lies between ... http://en.wikipedia.org/wiki/Talk:Polarizer   en.wikipedia.org - summary User talk:Midgley/rife - Wikipedia, the free encyclopedia I believe that the index of refraction of quartz is a bit higher than glass. ... The principle of the operation of lenses is based on refraction. ... http://en.wikipedia.org/wiki/User_talk:Midgley/rife   en.wikipedia.org - summary "Refraction" by David Penn Here's a demonstration of psychic power. Instead of twisting a spoon or fork into a mass of mangled metal, how about causing a delicate wine glass to bend at its stem? http://magic.about.com/od/magicreview/fr/082307refract.htm   magic.about.com - summary Normal Refraction Information about normal refraction. ... Normal Refraction. This picture demonstrates what someone with normal refraction would see. ... http://seniorhealth.about.com/library/vision/bl-refractnormal.htm   seniorhealth.about.com - summary Fermat's principle - Wikipedia, the free encyclopedia ... and can be used to derive Snell's law of refraction and the law of reflection. ... in Developing ideas of refraction, lenses and rainbow, Demokritus ... http://en.wikipedia.org/wiki/Fermat's_principle   en.wikipedia.org - summary Forward scatter - Wikipedia, the free encyclopedia ... by diffraction, nonhomogeneous refraction, or nonspecular reflection by ... This page was last modified on 19 November 2006, at 20:30. ... http://en.wikipedia.org/wiki/Forward_scatter   en.wikipedia.org - summary show more 1  2

Chat with eNurse Kim about 'Refraction' or something else! quick facts related diagnosis category eye diseases