Diabetes support site how does diabetes affect your eyesight presentation

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  • How Does DiabetesAffect Your

    Eyesight?

    Diabetes Support Site Website

    http://diabetessupportsite.com/

    http://diabetessupportsite.com/how-does-diabetes-affect-your-eyesight

  • How Does Diabetes Affect Your Eyesight?

    Acommoncomplicationofdiabetesisdiabeticeye

    disease.Diabeticeyediseasereferstoagroupofsightthreateningeyeproblemsthatpeoplewithdiabetesmaydevelop.

    Ifyouhavediabetes,regularvisitstoyoureyedoctorforregularexamsareimportanttoavoideye

    problems.Highbloodsugar(glucose)increasestheriskofeyeproblemsfromdiabetes.Infact,diabetesistheleadingcauseofblindnessinadultsages20to74.

    Highbloodsugarindiabetes

    causesthelensoftheeyeto

    swell,whichchangesyour

    abilitytosee.Tocorrectthis

    kindofeyeproblem,you

    needtogetyourbloodsugar

    backintothetargetrange

    (70130milligramsper

    deciliterormg/dLbefore

    meals,andlessthan180

    mg/dLonetotwohoursafter

    ameal).Itmaytakeaslong

    asthreemonthsafteryour

    bloodsugariswellcontrolled

    foryourvisiontofullyget

    backtonormal.

    Blurredvisioncanalsobea

    symptomofmoreseriouseye

    problemwithdiabetes.The

    threemajoreyeproblemsthat

    peoplewithdiabetesmay

    developandshouldbeaware

    ofarecataracts,glaucoma,

    andretinopathy.

  • What is the relationship between Diabetes and Glaucoma?

    Therelationshipbetweendiabetesandopenangle

    glaucoma(themostcommontypeof

    glaucoma),hasintriguedresearchersforyears.

    Peoplewithdiabetesaretwiceaslikelytodevelopglaucomaasarenon

    diabetics,althoughsomecurrentresearchis

    beginningtocallthisintoquestion.Similarly,thelikelihoodofsomeone

    withopenangleglaucomadevelopingdiabetesishigherthanthatofa

    personwithouttheeyedisease.

    Neovascularglaucoma,

    araretypeof

    glaucoma,isalways

    associatedwithother

    abnormalities,diabetes

    beingthemost

    common.

    Insomecasesof

    diabeticretinopathy,

    bloodvesselsonthe

    retinaaredamaged.

    Theretina

    manufacturesnew,

    abnormalblood

    vessels.

    Neovascularglaucoma

    canoccurifthesenew

    bloodvesselsgrowon

    theiris(thecolored

    partoftheeye),closing

    offthefluidflowinthe

    eyeandraisingtheeye

    pressure.

    Neovascularglaucoma

    isadifficultdiseaseto

    treat.Oneoptionis

    lasersurgerytoreduce

    abnormalblood

    vesselsontheirisand

    ontheretinalsurface.

    Recentstudieshave

    alsoshownsome

    successwiththeuseof

    drainageimplants.

  • Glaucoma and DiabetesGlaucomaiscausedbyexcessfluid

    pressingonthenerveatthebackof

    theeye

    Glaucomamayoccuramongst

    peoplewithandwithoutdiabetes,

    andcanbeacomplicationof

    diabetesifretinopathydevelops.

    Glaucomaiscausedbyanexcess

    amountoffluidpressingonthe

    nerveatthebackoftheeye.

    Howdoesglaucomastart?

    Theeyeproducesasmallamount

    offluidlikewaterinitsmiddle

    chamber,whichflowsaroundthe

    lensoftheeyeintothefront

    chamber.

    Thefluidleavestheeyeusinga

    drainagenetworkandthenenters

    thebloodstream.

    Commonly,glaucomacausesthe

    drainagesystemtobecome

    blocked,andfluidbecomestrapped

    intheeye.Thiscausespressureto

    buildupintheeyeandpasstothe

    nerveattherearoftheeye.

    Thisnervemaybecomedamaged

    byglaucoma.

  • What are the Symptoms of Glaucoma?

    Glaucomahasvery

    fewsymptomsinits

    earlystage,so

    peoplemaybe

    unawarethat

    somethingiswrong

    withthem.

    Assomeonewith

    diabetes,an

    optometristor

    anothereye

    specialistshould

    testyoufor

    glaucomaatleast

    onceeachyear.

  • Howisglaucomadiagnosed?

    Glaucomamaybediagnosed

    byanoptometristby

    measuringyoureyepressure,

    checkingtheeyeattheoptic

    nerve,andtestingthefieldof

    yourvision.

    Acommontestthesedaysis

    anoncontacttonometrytest

    (NCTtest)inwhichabriefpuff

    ofairwillbedirectedintothe

    frontofyoureye.Themachine

    yousitinfrontofmeasures

    theresistanceofyoureyeto

    thepuffofairwithoutneeding

    tomakecontactwithyoureye.

    Thepuffofairisnoticeable

    butisnotpainful.

    Expertswillquicklybeableto

    determineifyouhave

    glaucoma.

    Howisglaucomatreated?

    Glaucomawillusuallybetreatedwitheyedropstorelievepressureintheeye.Treatmentsinclude:

    Betablockers(suchasbetaxololhydrochloride,levobunololhydrochlorideortimolol)

    Prostaglandinanalogues(suchaslatanoprost,bimatoprost,tafluprostortravoprost)

    Carbonicanhydraseinhibitors(suchasbrinzolamideordorzolamide)

    Yourhealthcareprofessionalwillbeabletoadviseyoufurtheronthemostsuitabledropsforyourcondition.

    Alternativetreatmentsincludelasertreatment(laseriridotomy)andtrabeculectomysurgery.

  • What is the worst case scenario, will I go blind?

    Indevelopedstagesof

    glaucoma,poorvision

    startstospread,which

    canextendtoinclude

    thewholeofthesight.

    Ifthepressureof

    glaucomacanbe

    successfullyeased,

    however,thecondition

    shouldnotdeteriorate

    further.Shouldyour

    visionbecome

    significantlyimpaired,

    thereareanumberof

    aidswhichcanhelp

    peoplewithdiabetes

    whohavevisual

    impairments.

  • Cataracts and DiabetesCataractsarecloudy

    opacificationsofthe

    lensoftheeye

    Cataractsareoneof

    thesightrelated

    complicationsof

    diabetesthatcan

    causemistingor

    blurringofvision.

    Attendingregulareye

    checksaspartofyour

    annualdiabeticreview

    willhelpyourhealth

    teamtoidentifyany

    signsofcataractsatan

    earlystageandadvise

    ontreatment.

    Whatarethesymptomsof

    cataracts?

    Themainsignsofcataractsare:

    Cloudyormistyvision

    Blurredvision

    Spotsinyourvision

    Beingdazzledbybrightlights

    Seeingacircleoflightaroundlights

    Ayellowingofyourvision

    Earlystagecataractsymptomsmay

    barelyinfluencethevision,anda

    cataractdiagnosismaycomeasa

    genuinesurprise.

    Challengingvisualsituationssuch

    asdrivingatnightandbright

    sunlightmaycauseyoursightto

    becomehazy.Attendingregular

    eyechecksandscreeningswill

    makeiteasierforyourhealthteam

    todiagnosecataractsatanearly

    stage.

    Whatcausescataracts?

    Thelensoftheeyeismadeupoffluidsthat

    containprotein.

    Overtimethisfluidmaybegintocloudover,

    causingcataracts.Ageisoneofthefactorsandotherfactorsinclude:

    Havingdiabetes

    Smoking

    Afamilyhistoryofcataracts

    Longperiodsoftakingcorticosteroids

  • Does diabetes increase the risk of cataracts?Diabetesisoneofthekeyfactorsthatresultinthe

    developmentofcataracts.

    Althoughthereasonswhyarestillnotfully

    understood,peoplewithdiabetesmellitus

    statisticallyfacea60%greaterriskofdevelopingcataracts.Aswithmost

    complicationsofdiabetes,maintaininggoodcontrolofyourbloodsugarlevelswillhelptoreduceyour

    risk.

    Inaddition,researchhasshownthatpeoplewith

    type2diabeteswholowertheirHbA1clevelbyjust1%canreducetheirriskofcataractsby19%.

  • How are Cataracts Treated?

    Cataractstreatmenthasadvanced

    considerablyinrecentyears.

    Surgeryisoftenprescribed,with

    thelensremovedandreplacedwith

    anartificialone.Cataractsurgeryis

    widelyrecommendedandis

    commonlyperformed.

    Yourophthalmologistwilldetermine

    whetheryouneedcataractsurgery.

    Cataractsurgeryisgenerallysafe,

    sothepointatwhichanoperation

    isundertakendependspartlyon

    theindividual.

    Cataractoperationsaretypically

    daycases,withthelocal

    anaestheticoftensitedasthemost

    uncomfortablepart.

    Forpeoplewithdiabetes,thereisa

    slightlygreaterriskofdeveloping

    moreseriousproblemssuchas

    maculaoedema,diabetic

    retinopathycomplications,and

    infectionsasaresultofthesurgery.

  • Diabetic MaculopathyDiabeticmaculopathymay

    resultfromretinopathy

    Diabeticmaculopathyisa

    conditionthatcanresultfrom

    retinopathy.Maculopathyis

    damagetothemacula,the

    partoftheeyewhichprovides

    uswithourcentralvision.

    Acommonfromofdamageis

    fromdiabeticmacular

    oedema(DMO)inwhichfluid

    buildsuponthemacula.

    Diabeticmaculopathyisoften

    treatedbylasersurgery.

    Anumberofothertreatments

    arepossiblebuttherehas

    recentlybeenalotof

    discussionaboutwhich

    treatmentsareappropriate.

    Themaculaisthepartofthe

    eyethathelpstoprovideus

    withourcentralvision.

    Diabeticmaculopathyiswhen

    themaculasustainssome

    formofdamage.Onesuch

    causeofmaculardamageis

    fromdiabeticmacular

    oedemawherebyblood

    vesselsneartothemacula

    leakfluidorproteinontothe

    macula.

    Iftheleakagescausethe

    retinatohardenandexudates

    (depositsoffatfromthe

    blood)becomesignificantly

    largeandclosetothefovea,

    thentheconditionistermed

    asClinicallySignificant

    MacularOedema(CSMO).

  • Symptomsofdiabeticmaculopathy

    Thesymptomsofdiabeticmaculopathyareablurringofonescentralvision.

    Thismaybenoticedby:

    Troublewithreading

    Recognisingfacesinthecentreofyourvision

    Howisdiabeticmaculopathy/

    diabeticmacularoedematreated?

    Mildmacularoedemamayresolve

    itselfwithouttreatmentbutmost

    peoplewillneedthefirstlineof

    diabeticmaculopathytreatment

    whichislaserphotocoagulation

    treatment.

    Othertreatmentsincludehaving

    injectionsofwhatarecalledanti

    VEGFdrugs(antivascular

    endothelialgrowthfactor),suchas

    Luce