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首页 色盲与色弱(color blindness and color amblyopia)

色盲与色弱(color blindness and color amblyopia).doc

色盲与色弱(color blindness and color…

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2018-12-29 0人阅读 举报 0 0 暂无简介

简介:本文档为《色盲与色弱(color blindness and color amblyopia)doc》,可适用于社会民生领域

色盲与色弱(colorblindnessandcoloramblyopia)色盲与色弱(colorblindnessandcoloramblyopia)colorblindnessandcoloramblyopiaColorblindness,congenitalcolorblindnessandacquiredcolorblindnessThedifferencebetweenthetwoisthattheformerisahereditaryeyedisease,whichissufferingfromsuchasopticneuritisandopticnerveatrophyormaculardegeneration,glaucomaandothereyediseasescausedbysleepdisordersinpatients,colored,accompaniedbyvisualimpairmentandcentralscotomaphenomenonColorblindnessisgenerallyred,greenandblindRedblindpatientscannotseetheredlightinthespectrumTheycanonlyseetheyellowtobluesection,andthebrightnessofthespectrumisdifferentfromthatofthenormalpeopleTheredcoloroftheblindseepaleredanddarkgreenandvariouscolors,blueandpurple,purplecannotdistinguish,themostconfusingisredandgreen,blueandpurpleGreensemanghuanzhecannotdistinguishbetweenwhiteandred,purpleandgreenProtanopia(includingseruo),isaXchainrecessivehereditarydiseaseThepatientcannotrecognizethespectrum,whichbringsgreatinconveniencetowork,studyandlifeAccordingtostatistics,theincidenceofcolorblindnessinmenis,andtheincidencerateofwomenisThereisnoeffectivecureforcolorblindnessTrichromat,inthelightofthesolarspectrumcandistinguishred,orange,yellow,green,green,blueandpurplecolorsaswellastheuniverseariotofcolourbrilliantcolorsPeoplewithabnormalcolorvisiondonotfeelmoreorlessaboutthesecolorsThisiscalledcolorvisiondisorder(colorblindness)Itiscommonlycalledcolorblindness"ColorblindnesscanbedividedintocongenitalcolorblindnessandacquiredcolorblindnessThedifferencebetweencongenitalcolorblindnessandacquiredcolorblindnessisthattheformerisaninheritedeyedisease,thatis,afterbirthThelatteristheoriginaleuchromatopsypeople,becauseofsufferingfromsomechronicdiseasesisurgent,fundusopticneuritisandopticnerveatrophyormaculardegeneration,glaucomaandothereyediseasescausedby,soinpatientswithsleepdisordersaccompaniedbycolor,visualimpairmentandcentralscotoma,andthisisoftenchromatopsiatemporary,temporarycolorblindnessispresentinthecourseofthedisease,oncethediseaseiscured,therecoveryofvisualacuity,centralscotomadisappears,thendyschromatopsiadisappearedOfcourse,ifthediseaseisnotcompletelycured,thelesionarea(especiallythecentralpartoftheeye)hasorganicdamage,thencolorblindnesswillnotbeabletoreturntonormal,andbecomepermanentcolorblindnessTherefore,colorvisionabnormalitiescanbeclassifiedasfollows:ColorvisionabnormalitiesareclassifiedascongenitalcolorvisionabnormalitiesandacquiredcolorvisionabnormalitiesCongenitalcolorvisionabnormalitiesincludefullcolorblindness,partialblindness,partialblindnessPartialcolorblindnessisdividedinto:redandgreen(thefirstblindblindblind(second),purple(thirdcolor)blindcolorblindness,erythrochloropia)Partialcolorblindness(anomaloustrichromat)intotheredweak(protanomaly),green(secondcolor),weakweakpurple(thirddyschromatopsiaorseruolimona)Thedayaftertomorrow。Chromatopsiadividedintoachromatopsyandpartialcolorblindness,partialcolorblindnessisdividedintoanerythrochloropsiaandanianthynopsy(erythrochloropia)Apersonwithcongenitalcompletecolorblindnessdoesnotrecognizecolors,andobjectslookblack,white,andgray,asnormalpeopleseeblackandwhitephotographs,blackandwhitetelevision,orblackandwhitefilmsThediseaseisdividedintorodbodycolorvisionandvertebralcolorvisiontypetwoThisisararesightItissaidthatthereareonlyoneinstanceofthousandmillionpeopleTheirparentsoftenmarrynexttoeachother,apartfrombeingunabletodistinguishbetweencolors,Accompaniedbyphotophobiaandnystagmus,visualacuityisover()belowThediseaseissaidtoberareanddistortedintheabsenceofvertebralcellsorvertebralbodiesThesameascolorasvertebralcentrumareextremelyrare,withnocolordiscrimination,andthedifferenceisthattheyhavenobettervisualacuity,photophobiaandnystagmusTwocolorvision:achromaticorpartialcolorblindnessTheyhavegoodeyesight,aswellasnormalpeople,inadditiontobeingunabletorecognizecertaincolorsWhichcanbedividedintored,greenandpurpleblindblindblind(erythrochloropia)Redblindness:alsocalled"firstcolorblindness"or"onecolorblindness"Blindpeoplecan'tseeredredlightinthespectrum,intheirview,theredendinthespectrumofmissingaspectrumwillshortentheperiod,canonlyseefromyellowtoblue,andthespectralbrightnessisnormalandseedifferent:normalpeopleseeisthebrightestintheyellowpart(thewavelengthofaboutnm),seethebrightredblindspectruminpartisintheyellowpart,andseeinthespectrumofanoncolorposition("center"),aboutthepositionatthewavelengthofnmProtanopemainfalsecolorredanddarkgreenlightofvariouscolors,bluerain(Crimsonpurplered,thecolorisnotonthespectrum),purplecannotdistinguish,andmosteasilyconfusedisredandgreen,blueandpurpleGreenblindness:alsocalled"secondcolorblindness"or"Bcolorblindness"Thepatientdoesnotlookliketheredblind,butthebrightestpartofthespectrumisintheorangesection,centeredataboutnmAllthespectraarepaleyellow,grayandblueGreenblindnesscannotdistinguishbetweenwhiteandred,purpleandgreenCrimsonandcyanisnotconfused,butthecrimsonandgraywillcauseconfusionPurple:alsocalledthirdblindorblindtritanopia,alsoknownaserythrochloropiaThevioletblindnessshowsthatthespectrumissomewhatshorteratthepurpleendThebrightestpartofthespectrumisintheyellowpart,andtherearetwoneutralsinthespectrum:oneattheyellow(nm)andtheotherattheblue(nm)TheylookedatthespectrumasiftherewereonlytwoshadesofredandblueTheyellowgreenandblue,purpleandorangearenotresolvedPurpleblindnessisextremelyrareinthetwocolorvision,mostofwhicharepathologicalAnomaloustrichromat:seruo,greenandpurpledividendsweakweakThereisnostrictboundarybetweentheabnormaltrichromaticviewerandthenormaltrichromaticviewer,andthedifferenceisonlyinthedegreeofcolordiscrimination,whichisthelightestofthecolorvisiondisordersTheremaybethreecolorsensitiveelementsintheirretinas,buttheratioofthethreefactorsisdifferentfromthatofnormalpeopleWiththeRayleighequation(redGreen=yellow)asacolorcode,needmorethanthenormalredredgreentheweakneedmoregreen:Purpleweakrare,theycan'ttellthedifferencebetweenblueandgreen,yellowandwhiteareeasilyconfusedThedegreeofdivisionofchromatopsia:chromatopsiaexistsdegree,onlyinthepastwillbedividedintothetwolevelsofcolorblindnessandcoloramblyopiaThiswillbedividedintoheavycolorandtheheavy,willbedividedintolightandlightcolor,canbedividedintofourgradesHeavygrade,redandgreencolor,easilyconfused,notdistinguishbetweenredandgreen,soalsoknownasredgreencolorblindnessSubgradebonus,colorblindnessandgreenblindnessRedblindness:digitalorgraphicofredandgreeninareadinglist,ItdoesnotreadtherednumbersorgraphicsinthepictureItcanonlyreadthegreenfiguresorfiguresinthepictureGreenblindness:Contrarytoredblindness,youcanonlyreadtheredpartofthepicturewithoutreadingthegreenpartLightgreenandweakseruodividendsRedweak:readbothredandgreenpictures,bothofthemcanbereadout,buttheredpartofthepictureisobscureanddifficulttoreadGreenweak:Contrarytotheredcolor,theredandgreenpartscanbereadout,butthegreenpartoftheimageisfuzzyanddifficulttoreadLightlevel:canreadinredandgreen,andclear,butcan'treadamapofthepartoftheinspection,isweakintheredandgreenlightBlindglasses,caneffectivelyimprovetheactivityofretinalpigmentcells,stimulatetheretinaresolutionofcolor,wheninuse,onlyneedtobecolorblindglassesinthedominanteye,soastodistinguishthenormalcoloreffect,thetotalefficiencyofmorethanColorblindnesstabletscaneffectivelyimprovethecolorvisionandtoneresolutionofpatientsSimplyusethecolorpiecewornonthepatient'seyeonthemainview,throughthecomparativeanalysisofthebrainwiththecolortodistinguishbetweenredandgreencoloreffect

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色盲与色弱(color blindness and color amblyopia)

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