[{"data":1,"prerenderedAt":1205},["ShallowReactive",2],{"microcopies":3,"page-data-\u002Feye-care\u002Feye-health\u002Feye-conditions\u002Fhalos-around-lights":9},{"of":4,"jumpToSection":5,"home":6,"availableAt":7,"accessedUpdated":8},"of","Jump to section","Home","Available at","Accessed",{"queryData":10,"breadcrumbTrail":1204},{"contentPage":11},{"entryTitle":12,"pageTitle":13,"seoMetaData":14,"topSection":18,"bottomSection":25,"anchors":37,"mainSectionCollection":75},"NZ - Eye Health - Eye Conditions - Halos Around Lights","Halos around lights ",{"metaDescription":15,"indexed":16,"follow":16,"metaKeywords":17,"updatedForProjectAlphabet":16},"Learn what causes halos (rings) around lights, when they’re normal and when to see an optometrist. Get expert guidance on eye halos.",true,null,{"__typename":19,"sys":20,"button":17,"title":13,"subtitle":22,"theme":23,"heroHeightVersion":24},"HeroBanner",{"id":21},"6Qb4kWUoM5G8DEEtPdrUTm","Noticed halos or starbursts around lights? Learn about halo vision, what causes it, and how it's treated. ","Ellipse","Condensed",{"__typename":26,"sys":27,"title":29,"body":30,"buttonsCollection":31},"FullWidthBannerFooter",{"id":28},"51o4LDgfgwIbWVUJ0kcQ8X","Let's get your vision sorted","Noticed a change in your sight? Whether it’s something new or something that’s been bothering you for a while, we’re here to help. ",{"items":32},[33],{"linkText":34,"linkUrl":35,"openLinkInANewBrowserTab":36},"Book an eye test","\u002Fbook\u002Flocation",false,{"anchorLinksCollection":38},{"items":39},[40,45,50,55,60,65,70],{"anchorLabel":41,"includeLinkInPageNav":16,"anchorTarget":42},"What are Halos Around Lights? ",{"sys":43},{"id":44},"5gzNn8VtWp47LGb8n04aIU",{"anchorLabel":46,"includeLinkInPageNav":16,"anchorTarget":47},"Symptoms ",{"sys":48},{"id":49},"23N2yvfL9xcifqaa6AoBwD",{"anchorLabel":51,"includeLinkInPageNav":16,"anchorTarget":52},"Causes ",{"sys":53},{"id":54},"2vFt0ams0JH2lGWxiq4WDR",{"anchorLabel":56,"includeLinkInPageNav":16,"anchorTarget":57},"Diagnosis ",{"sys":58},{"id":59},"3REjrrak7NUMC5uw8eyuc",{"anchorLabel":61,"includeLinkInPageNav":16,"anchorTarget":62},"Treatment ",{"sys":63},{"id":64},"13GxNpJPnUPiq9VeIMqb3N",{"anchorLabel":66,"includeLinkInPageNav":16,"anchorTarget":67},"Prevention ",{"sys":68},{"id":69},"29ivMejFAgZ71Mt8nSd4tS",{"anchorLabel":71,"includeLinkInPageNav":16,"anchorTarget":72},"FAQs ",{"sys":73},{"id":74},"5ZPg7sLqcMPaqcTm5zPYGP",{"items":76},[77,17,107,161,209,17,269,392,479,560,569,612,679,708,948,962,992,1047,1153,1184],{"__typename":78,"sys":79,"theme":81,"genericTextComponent":82},"ContentTypeRichText",{"id":80},"484AZsNDP9icsstHLXinDr","Mono White",{"json":83,"links":104},{"nodeType":84,"data":85,"content":86},"document",{},[87,96],{"nodeType":88,"data":89,"content":90},"heading-2",{},[91],{"nodeType":92,"value":93,"marks":94,"data":95},"text","Halos around lights overview",[],{},{"nodeType":97,"data":98,"content":99},"paragraph",{},[100],{"nodeType":92,"value":101,"marks":102,"data":103},"Seeing bright circles or rings around a light source, like a headlight, is often referred to as \"halos\". Halos around lights are most often noticed at nighttime or when you're in a dimly lit room. While it can be a normal response of the eye to bright lights, it can also be a symptom of an underlying eye condition. It is important to get your eyes tested if you are experiencing halos to rule out any serious issues.",[],{},{"entries":105},{"block":106},[],{"__typename":108,"sys":109,"title":111,"subtitle":112,"hotspotConfigurator":113,"hotspotImageReference":159},"MediaHotspotCarousel",{"id":110},"5CAe5frJTcGOQiKghuZYRB","How your eye's surface works ","To understand halos, it helps to know about the surface of your eye. ",{"assetId":114,"hotspots":115},"350sGiM8GbjQkEI0o4ovOO",[116,129,139,149],{"x":117,"y":118,"id":119,"label":120,"theme":121,"isValid":16,"bodyCopy":122,"naturalX":123,"naturalY":124,"percentageX":125,"percentageY":126,"appImageWidth":127,"appImageHeight":128},261.1619262695313,163.59375,"EAeC6cc8G2hG2LGMwVz5i","Cornea ","Light","The transparent outer layer at the front of the eye that covers the iris, pupil, and anterior chamber. It bends light, and its shape is crucial for focusing. Irregularities in the cornea's shape, such as with astigmatism or keratoconus, can cause light to scatter and create halos.",304.24324516496023,190.64963942307693,29.71125441064065,31.46033653846154,879,520,{"x":130,"y":131,"id":132,"label":133,"theme":121,"isValid":16,"bodyCopy":134,"naturalX":135,"naturalY":136,"percentageX":137,"percentageY":138,"appImageWidth":127,"appImageHeight":128},308.2784118652344,226.27841186523438,"5FiZb0lVldcaUjWeSMgAW","Lens ","Located behind the cornea, the lens focuses light onto the retina. If the lens becomes cloudy, as it does with cataracts, the light is scattered, which can cause you to see halos.",359.1320748009101,263.70137998140774,35.07149167977638,43.51507920485276,{"x":140,"y":141,"id":142,"label":143,"theme":121,"isValid":16,"bodyCopy":144,"naturalX":145,"naturalY":146,"percentageX":147,"percentageY":148,"appImageWidth":127,"appImageHeight":128},601.9147644042969,179.91477966308594,"pzxRkdExaRgkA8dINT-gv","Retina ","The light-sensitive layer of tissue at the back of the eyeball. It converts light into neural signals, which are sent to the brain for visual recognition. ",701.2067335039818,209.66991629967322,68.47722006874822,34.598996089054985,{"x":150,"y":151,"id":152,"label":153,"theme":121,"isValid":16,"bodyCopy":154,"naturalX":155,"naturalY":156,"percentageX":157,"percentageY":158,"appImageWidth":127,"appImageHeight":128},217.3693389892578,223.5511474609375,"MztdxqFA31KH1rQXYti_E","Pupil ","The opening in the center of the iris that allows light to enter the eye. In low light conditions, the pupil dilates (gets larger) to let in more light, which can make halos more noticeable.",253.2266247155859,260.5230680025541,24.729162569881435,42.990605280949524,{"url":160},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F350sGiM8GbjQkEI0o4ovOO\u002F7e4782176839acfa37700a5ed7f9b183\u002Fblind-spot-pupil-reflex-2zejrof6swffvdyi15fr40.jpg",{"__typename":78,"sys":162,"theme":81,"genericTextComponent":163},{"id":44},{"json":164,"links":206},{"data":165,"content":166,"nodeType":84},{},[167,174],{"data":168,"content":169,"nodeType":88},{},[170],{"data":171,"marks":172,"value":173,"nodeType":92},{},[],"What are halos around lights? ",{"data":175,"content":176,"nodeType":97},{},[177,181,190,194,202],{"data":178,"marks":179,"value":180,"nodeType":92},{},[],"Halos are bright circles that appear to surround a source of light, like streetlights or headlights. They are the result of light diffraction, which is the bending of light as it enters your eye. While sometimes a normal phenomenon, seeing halos can also be a sign of a number of eye conditions. People with ",{"data":182,"content":184,"nodeType":189},{"uri":183},"\u002Feye-health\u002Feye-conditions\u002Fmyopia",[185],{"data":186,"marks":187,"value":188,"nodeType":92},{},[],"myopia (short-sightedness)","hyperlink",{"data":191,"marks":192,"value":193,"nodeType":92},{},[],", for example, may experience halos. It is also a common symptom of ",{"data":195,"content":197,"nodeType":189},{"uri":196},"\u002Feye-health\u002Feye-conditions\u002Fastigmatism",[198],{"data":199,"marks":200,"value":201,"nodeType":92},{},[],"astigmatism",{"data":203,"marks":204,"value":205,"nodeType":92},{},[],", where an irregularly shaped cornea causes light to bend incorrectly. ",{"entries":207},{"block":208},[],{"__typename":210,"sys":211,"switchSequenceAtMobile":36,"backgroundTheme":213,"rightColumnCollection":214,"leftColumnCollection":223},"TwoColumnLayout",{"id":212},"2YvkSFTInxMoQAK2pxLGgy","Blue",{"items":215},[216],{"__typename":217,"sys":218,"captionText":17,"imageAltText":220,"imageLink":17,"image":221},"MediaImage",{"id":219},"1e50g8uar7VtLMtH2h9gpu","Image of a halo of light appearing around the sun.",{"url":222},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F6uZ2QIeu37yrASm5uoYYI2\u002F389e39b53bde14ea5136031ec1301db8\u002FHalo_rwanda_26-02-2020.jpg",{"items":224},[225],{"__typename":78,"sys":226,"theme":228,"genericTextComponent":229},{"id":227},"443v4BMIe3YiDbWaiccPgQ","Cool Blue",{"json":230,"links":264},{"data":231,"content":232,"nodeType":84},{},[233,241,248,257],{"data":234,"content":235,"nodeType":240},{},[236],{"data":237,"marks":238,"value":239,"nodeType":92},{},[],"Halos vs. Starbursts ","heading-3",{"data":242,"content":243,"nodeType":97},{},[244],{"data":245,"marks":246,"value":247,"nodeType":92},{},[],"It can be tricky to tell the difference between halos and starbursts, as both are visual distortions of light. Halos appear as circles of light around a light source. Eye starbursts, on the other hand, are when the light source appears to have rays of light coming out from it, like a star. Both can be symptoms of similar eye conditions. ",{"data":249,"content":255,"nodeType":256},{"target":250},{"sys":251},{"id":252,"type":253,"linkType":254},"395b8esPHoSP6jWAob1ApE","Link","Entry",[],"embedded-entry-block",{"data":258,"content":259,"nodeType":97},{},[260],{"data":261,"marks":262,"value":263,"nodeType":92},{},[],"",{"entries":265},{"block":266},[267],{"__typename":253,"sys":268,"linkText":34,"linkUrl":35,"openLinkInANewBrowserTab":36},{"id":252},{"__typename":78,"sys":270,"theme":81,"genericTextComponent":271},{"id":49},{"json":272,"links":389},{"data":273,"content":274,"nodeType":84},{},[275,282,289,296,314,321,339,346,364,371],{"data":276,"content":277,"nodeType":88},{},[278],{"data":279,"marks":280,"value":281,"nodeType":92},{},[],"Symptoms of halos around lights ",{"data":283,"content":284,"nodeType":97},{},[285],{"data":286,"marks":287,"value":288,"nodeType":92},{},[],"The main symptom is seeing a halo around light sources, but this can be accompanied by other symptoms, which may indicate an underlying condition. ",{"data":290,"content":291,"nodeType":240},{},[292],{"data":293,"marks":294,"value":295,"nodeType":92},{},[],"Rainbow vision in one eye ",{"data":297,"content":298,"nodeType":97},{},[299,303,311],{"data":300,"marks":301,"value":302,"nodeType":92},{},[],"Seeing a rainbow around lights can be a symptom of acute glaucoma, which requires immediate medical attention. \n",{"data":304,"content":306,"nodeType":189},{"uri":305},"\u002Feye-health\u002Feye-conditions\u002Fglaucoma",[307],{"data":308,"marks":309,"value":310,"nodeType":92},{},[],"Learn more about glaucoma",{"data":312,"marks":313,"value":263,"nodeType":92},{},[],{"data":315,"content":316,"nodeType":240},{},[317],{"data":318,"marks":319,"value":320,"nodeType":92},{},[],"Blurry vision",{"data":322,"content":323,"nodeType":97},{},[324,328,336],{"data":325,"marks":326,"value":327,"nodeType":92},{},[],"If halos are accompanied by blurry vision, it could be a sign of cataracts or astigmatism.   \n",{"data":329,"content":331,"nodeType":189},{"uri":330},"\u002Feye-health\u002Feye-conditions\u002Fblurry-vision",[332],{"data":333,"marks":334,"value":335,"nodeType":92},{},[],"Learn more about blurry vision",{"data":337,"marks":338,"value":263,"nodeType":92},{},[],{"data":340,"content":341,"nodeType":240},{},[342],{"data":343,"marks":344,"value":345,"nodeType":92},{},[],"Eye pain",{"data":347,"content":348,"nodeType":97},{},[349,353,361],{"data":350,"marks":351,"value":352,"nodeType":92},{},[],"Sudden eye pain along with halos can be a symptom of acute glaucoma. \n",{"data":354,"content":356,"nodeType":189},{"uri":355},"\u002Feye-health\u002Feye-conditions\u002Feye-pain",[357],{"data":358,"marks":359,"value":360,"nodeType":92},{},[],"Learn more about eye pain ",{"data":362,"marks":363,"value":263,"nodeType":92},{},[],{"data":365,"content":366,"nodeType":240},{},[367],{"data":368,"marks":369,"value":370,"nodeType":92},{},[],"Double vision",{"data":372,"content":373,"nodeType":97},{},[374,378,386],{"data":375,"marks":376,"value":377,"nodeType":92},{},[],"If you are experiencing double vision as well as halos, this could be a symptom of cataracts.  \n",{"data":379,"content":381,"nodeType":189},{"uri":380},"\u002Feye-health\u002Feye-conditions\u002Fdouble-vision",[382],{"data":383,"marks":384,"value":385,"nodeType":92},{},[],"Learn more about double vision ",{"data":387,"marks":388,"value":263,"nodeType":92},{},[],{"entries":390},{"block":391},[],{"__typename":210,"sys":393,"switchSequenceAtMobile":36,"backgroundTheme":213,"leftColumnCollection":394,"rightColumnCollection":420},{"id":54},{"items":395},[396],{"__typename":78,"sys":397,"theme":81,"genericTextComponent":399},{"id":398},"4UOVCzWVus4tNps4WyFNKS",{"json":400,"links":417},{"nodeType":84,"data":401,"content":402},{},[403,410],{"nodeType":240,"data":404,"content":405},{},[406],{"nodeType":92,"value":407,"marks":408,"data":409},"What causes halos around lights? ",[],{},{"nodeType":97,"data":411,"content":412},{},[413],{"nodeType":92,"value":414,"marks":415,"data":416},"Seeing halos is caused by the diffraction of light entering your eye. This can be a normal response to bright lights, but it can also be caused by a number of conditions that affect how light is focused by the eye. Wearing glasses or contact lenses can also cause halos. ",[],{},{"entries":418},{"block":419},[],{"items":421},[422],{"__typename":78,"sys":423,"theme":81,"genericTextComponent":425},{"id":424},"1iiztC4mSTOrkBGL3CeyBz",{"json":426,"links":476},{"nodeType":84,"data":427,"content":428},{},[429,436],{"nodeType":240,"data":430,"content":431},{},[432],{"nodeType":92,"value":433,"marks":434,"data":435},"Who’s more likely to get it? ",[],{},{"nodeType":97,"data":437,"content":438},{},[439,443,451,455,462,466,472],{"nodeType":92,"value":440,"marks":441,"data":442},"People with certain eye conditions are more likely to experience halo eyesight. This includes those with ",[],{},{"nodeType":189,"data":444,"content":446},{"uri":445},"\u002Feye-health\u002Feye-conditions\u002Fcataract",[447],{"nodeType":92,"value":448,"marks":449,"data":450},"cataracts",[],{},{"nodeType":92,"value":452,"marks":453,"data":454},", ",[],{},{"nodeType":189,"data":456,"content":457},{"uri":305},[458],{"nodeType":92,"value":459,"marks":460,"data":461},"glaucoma",[],{},{"nodeType":92,"value":463,"marks":464,"data":465},", and ",[],{},{"nodeType":189,"data":467,"content":468},{"uri":196},[469],{"nodeType":92,"value":201,"marks":470,"data":471},[],{},{"nodeType":92,"value":473,"marks":474,"data":475},". It is also more common in older adults, as conditions like cataracts become more prevalent with age. ",[],{},{"entries":477},{"block":478},[],{"__typename":78,"sys":480,"theme":81,"genericTextComponent":481},{"id":59},{"json":482,"links":547},{"data":483,"content":484,"nodeType":84},{},[485,492,499,505,512,519,526,533,540],{"data":486,"content":487,"nodeType":88},{},[488],{"data":489,"marks":490,"value":491,"nodeType":92},{},[],"How are halos around lights diagnosed? ",{"data":493,"content":494,"nodeType":97},{},[495],{"data":496,"marks":497,"value":498,"nodeType":92},{},[],"An optometrist can diagnose the cause of seeing halos by performing a comprehensive eye exam. They will examine your eyes and may use a slit lamp to get a magnified view of the different structures of your eye. They will also ask about your symptoms and medical history. ",{"data":500,"content":504,"nodeType":256},{"target":501},{"sys":502},{"id":503,"type":253,"linkType":254},"71aw5gTb5FgxbpbkOqPrJ0",[],{"data":506,"content":507,"nodeType":240},{},[508],{"data":509,"marks":510,"value":511,"nodeType":92},{},[],"Patient history",{"data":513,"content":514,"nodeType":97},{},[515],{"data":516,"marks":517,"value":518,"nodeType":92},{},[],"Your optometrist will ask about your symptoms, any previous eye problems, and your general health to understand the situation. ",{"data":520,"content":521,"nodeType":240},{},[522],{"data":523,"marks":524,"value":525,"nodeType":92},{},[],"Visual acuity test ",{"data":527,"content":528,"nodeType":97},{},[529],{"data":530,"marks":531,"value":532,"nodeType":92},{},[],"This test will check how well you can see at various distances. ",{"data":534,"content":535,"nodeType":240},{},[536],{"data":537,"marks":538,"value":539,"nodeType":92},{},[],"Slit-lamp examination",{"data":541,"content":542,"nodeType":97},{},[543],{"data":544,"marks":545,"value":546,"nodeType":92},{},[],"This is the main tool for diagnosis. It provides a highly magnified view of your eye, allowing the optometrist to check for conditions like cataracts or issues with the cornea. ",{"entries":548},{"block":549},[550],{"__typename":551,"sys":552,"imageEntriesCollection":553},"MediaImageSet",{"id":503},{"items":554},[555],{"__typename":217,"sys":556,"captionText":17,"imageAltText":17,"imageLink":17,"image":558},{"id":557},"1Uyy3pe0PdTMVTzyZm85E3",{"url":559},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F5WwH88Rg8dctTHGwQcu6By\u002Fbe3aaa5f5c4233f7663db03c5865f4a9\u002Fwebimage-CA50E21F-1C20-4909-A642E9A207B5603E.jpg",{"__typename":561,"sys":562,"title":564,"body":565,"theme":23,"buttonCollection":566},"FullWidthBannerSimple",{"id":563},"3SBeDhQHIMUyV6Nu0cyrm5","Let’s get your vision sorted","Noticed your eyes hurting, or a change in your sight? Whether it’s something new or something that’s been bothering you for a while, we’re here to help. ",{"items":567},[568],{"linkText":34,"linkUrl":35,"openLinkInANewBrowserTab":36},{"__typename":78,"sys":570,"theme":81,"genericTextComponent":571},{"id":64},{"json":572,"links":609},{"data":573,"content":574,"nodeType":84},{},[575,582],{"data":576,"content":577,"nodeType":88},{},[578],{"data":579,"marks":580,"value":581,"nodeType":92},{},[],"How are halos around lights treated? ",{"data":583,"content":584,"nodeType":97},{},[585,589,595,599,605],{"data":586,"marks":587,"value":588,"nodeType":92},{},[],"Treatment for light halos depends on the underlying cause. If the halos are caused by a refractive error like ",{"data":590,"content":591,"nodeType":189},{"uri":196},[592],{"data":593,"marks":594,"value":201,"nodeType":92},{},[],{"data":596,"marks":597,"value":598,"nodeType":92},{},[],", new glasses or contact lenses may be prescribed. If a condition like ",{"data":600,"content":601,"nodeType":189},{"uri":445},[602],{"data":603,"marks":604,"value":448,"nodeType":92},{},[],{"data":606,"marks":607,"value":608,"nodeType":92},{},[]," is the cause, surgery to remove the cataract may be recommended. ",{"entries":610},{"block":611},[],{"__typename":78,"sys":613,"theme":228,"genericTextComponent":615},{"id":614},"74ZTR4k7ZIbIUUoxTvcUPh",{"json":616,"links":676},{"data":617,"content":618,"nodeType":84},{},[619,626,633,641,648,655,662,669],{"data":620,"content":621,"nodeType":240},{},[622],{"data":623,"marks":624,"value":625,"nodeType":92},{},[],"When halos need medical help ",{"data":627,"content":628,"nodeType":97},{},[629],{"data":630,"marks":631,"value":632,"nodeType":92},{},[],"While seeing halos around lights is not always a cause for concern, you should see an optometrist if they appear suddenly, are accompanied by pain or blurred vision, or if you are worried about them. ",{"data":634,"content":635,"nodeType":640},{},[636],{"data":637,"marks":638,"value":639,"nodeType":92},{},[],"Laser treatment","heading-4",{"data":642,"content":643,"nodeType":97},{},[644],{"data":645,"marks":646,"value":647,"nodeType":92},{},[],"If the cause is acute angle-closure glaucoma, treatment may involve a laser procedure called laser iridotomy. This creates a small opening in the iris to help fluid drain and reduce pressure in the eye. ",{"data":649,"content":650,"nodeType":640},{},[651],{"data":652,"marks":653,"value":654,"nodeType":92},{},[],"Surgery",{"data":656,"content":657,"nodeType":97},{},[658],{"data":659,"marks":660,"value":661,"nodeType":92},{},[],"For conditions like cataracts, surgery to replace the cloudy lens is a common and effective treatment. ",{"data":663,"content":664,"nodeType":640},{},[665],{"data":666,"marks":667,"value":668,"nodeType":92},{},[],"Corrective lenses",{"data":670,"content":671,"nodeType":97},{},[672],{"data":673,"marks":674,"value":675,"nodeType":92},{},[],"For astigmatism halos around lights, corrective lenses, such as glasses or contact lenses, can help to focus light correctly and reduce the appearance of halos. ",{"entries":677},{"block":678},[],{"__typename":78,"sys":680,"theme":81,"genericTextComponent":681},{"id":69},{"json":682,"links":705},{"data":683,"content":684,"nodeType":84},{},[685,692,699],{"data":686,"content":687,"nodeType":240},{},[688],{"data":689,"marks":690,"value":691,"nodeType":92},{},[],"Preventing halos around lights ",{"data":693,"content":694,"nodeType":97},{},[695],{"data":696,"marks":697,"value":698,"nodeType":92},{},[],"While not all causes of halos can be prevented, you can take steps to protect your eyes and reduce your risk of developing certain conditions. This includes wearing sunglasses to protect your eyes from UV radiation, eating a healthy diet, and having regular eye exams. ",{"data":700,"content":701,"nodeType":97},{},[702],{"data":703,"marks":704,"value":263,"nodeType":92},{},[],{"entries":706},{"block":707},[],{"__typename":709,"sys":710,"title":711,"theme":712,"expandFirstRow":36,"accordionEntriesCollection":713},"Accordion",{"id":74},"Common Halos Around Lights Questions","White",{"items":714},[715,731,746,777,831,846,861,876,914],{"__typename":716,"sys":717,"panel":719,"link":17,"faqCategory":17,"header":730},"Faq",{"id":718},"2K7MbJlhJIQLBdeL5Uox6q",{"json":720},{"data":721,"content":722,"nodeType":84},{},[723],{"data":724,"content":725,"nodeType":97},{},[726],{"data":727,"marks":728,"value":729,"nodeType":92},{},[],"While it can be a normal response to bright lights, it can also be a sign of an underlying eye condition. If you are concerned, it is always best to have an eye test. ","Is it normal to see halos around lights? ",{"__typename":716,"sys":732,"panel":734,"link":17,"faqCategory":17,"header":745},{"id":733},"4GUtO51Oav1xvIoSG5Pyer",{"json":735},{"data":736,"content":737,"nodeType":84},{},[738],{"data":739,"content":740,"nodeType":97},{},[741],{"data":742,"marks":743,"value":744,"nodeType":92},{},[],"Halos are rings of light around a light source, while starbursts are rays of light that appear to come from the light source. ","What is the difference between halos and starbursts?",{"__typename":716,"sys":747,"panel":749,"link":17,"faqCategory":17,"header":776},{"id":748},"36xm3Z9Hu0FJ7xeK1XYPFl",{"json":750},{"data":751,"content":752,"nodeType":84},{},[753,760],{"data":754,"content":755,"nodeType":97},{},[756],{"data":757,"marks":758,"value":759,"nodeType":92},{},[],"Yes, astigmatism halos around lights are a common symptom of this condition. ",{"data":761,"content":762,"nodeType":97},{},[763,766,773],{"data":764,"marks":765,"value":263,"nodeType":92},{},[],{"data":767,"content":768,"nodeType":189},{"uri":196},[769],{"data":770,"marks":771,"value":772,"nodeType":92},{"chevron-link":16},[],"Learn more about astigmatism",{"data":774,"marks":775,"value":263,"nodeType":92},{},[],"Can astigmatism cause halos around lights? ",{"__typename":716,"sys":778,"panel":780,"link":17,"faqCategory":17,"header":830},{"id":779},"29N9FYm7uDddoCzptoXc61",{"json":781},{"data":782,"content":783,"nodeType":84},{},[784,791],{"data":785,"content":786,"nodeType":97},{},[787],{"data":788,"marks":789,"value":790,"nodeType":92},{},[],"Seeing rainbow-like rings around lights is usually caused by light being bent and scattered (refraction and diffraction) through irregular surfaces, such as a disrupted tear film or changes in the eye’s cornea or lens. ",{"data":792,"content":793,"nodeType":97},{},[794,798,806,810,816,820,826],{"data":795,"marks":796,"value":797,"nodeType":92},{},[],"While this can happen with ",{"data":799,"content":801,"nodeType":189},{"uri":800},"\u002Feye-health\u002Feye-conditions\u002Fdry-eye-syndrome",[802],{"data":803,"marks":804,"value":805,"nodeType":92},{},[],"dry eye",{"data":807,"marks":808,"value":809,"nodeType":92},{},[]," or ",{"data":811,"content":812,"nodeType":189},{"uri":445},[813],{"data":814,"marks":815,"value":448,"nodeType":92},{},[],{"data":817,"marks":818,"value":819,"nodeType":92},{},[],", it may also indicate conditions like ",{"data":821,"content":822,"nodeType":189},{"uri":305},[823],{"data":824,"marks":825,"value":459,"nodeType":92},{},[],{"data":827,"marks":828,"value":829,"nodeType":92},{},[],", so it’s important to have your eyes checked by an optometrist","Why do I see a rainbow around lights? ",{"__typename":716,"sys":832,"panel":834,"link":17,"faqCategory":17,"header":845},{"id":833},"4Hnplx7ezgVDl9qyeRSsn1",{"json":835},{"data":836,"content":837,"nodeType":84},{},[838],{"data":839,"content":840,"nodeType":97},{},[841],{"data":842,"marks":843,"value":844,"nodeType":92},{},[],"It depends on the cause. If your contact lenses are causing the halos, you may need to try a different type or brand. If an underlying condition is the cause, your optometrist will be able to advise you. ","Can I wear contact lenses if I see halos? ",{"__typename":716,"sys":847,"panel":849,"link":17,"faqCategory":17,"header":860},{"id":848},"jT7Z2mUuKiT5i2tUlnByL",{"json":850},{"data":851,"content":852,"nodeType":84},{},[853],{"data":854,"content":855,"nodeType":97},{},[856],{"data":857,"marks":858,"value":859,"nodeType":92},{},[],"While anxiety and stress don't directly cause halos, they can sometimes lead to pupil dilation or hyperawareness of normal visual phenomena, making you more likely to notice halos that might otherwise go unnoticed. However, it's important to rule out underlying eye conditions first. ","Can anxiety or stress cause halos around lights? ",{"__typename":716,"sys":862,"panel":864,"link":17,"faqCategory":17,"header":875},{"id":863},"2EKmlSfFEu2KFVBULnQJav",{"json":865},{"data":866,"content":867,"nodeType":84},{},[868],{"data":869,"content":870,"nodeType":97},{},[871],{"data":872,"marks":873,"value":874,"nodeType":92},{},[],"Yes. Very high blood pressure can sometimes affect your vision and cause flashing lights. This happens when the blood vessels in your retina are under strain. If you notice this, it’s important to speak to a doctor straight away. ","Can high blood pressure cause flashing lights in the eyes? ",{"__typename":716,"sys":877,"panel":879,"link":17,"faqCategory":17,"header":913},{"id":878},"4GQuQDRKNiqGZuJe6pUNLJ",{"json":880},{"data":881,"content":882,"nodeType":84},{},[883],{"data":884,"content":885,"nodeType":97},{},[886,890,898,902,909],{"data":887,"marks":888,"value":889,"nodeType":92},{},[],"Sudden sensitivity to light (photophobia) can be caused by a number of things, including eye infections, inflammation (like uveitis), ",{"data":891,"content":893,"nodeType":189},{"uri":892},"\u002Feye-health\u002Feye-conditions\u002Fcorneal-abrasion",[894],{"data":895,"marks":896,"value":897,"nodeType":92},{},[],"corneal abrasion",{"data":899,"marks":900,"value":901,"nodeType":92},{},[],", or it can be a symptom of an underlying condition like migraine or ",{"data":903,"content":904,"nodeType":189},{"uri":305},[905],{"data":906,"marks":907,"value":908,"nodeType":92},{},[],"acute glaucoma",{"data":910,"marks":911,"value":912,"nodeType":92},{},[],". It's important to get it checked out. ","Why are my eyes sensitive to light all of a sudden? ",{"__typename":716,"sys":915,"panel":917,"link":17,"faqCategory":17,"header":947},{"id":916},"7tbdzz05VhE8qMbAbq1Ndr",{"json":918},{"data":919,"content":920,"nodeType":84},{},[921],{"data":922,"content":923,"nodeType":97},{},[924,928,934,937,943],{"data":925,"marks":926,"value":927,"nodeType":92},{},[],"Whether halos go away depends on the cause. If they're caused by a temporary issue, they may resolve on their own. If they are due to a condition like ",{"data":929,"content":930,"nodeType":189},{"uri":196},[931],{"data":932,"marks":933,"value":201,"nodeType":92},{},[],{"data":935,"marks":936,"value":809,"nodeType":92},{},[],{"data":938,"content":939,"nodeType":189},{"uri":445},[940],{"data":941,"marks":942,"value":448,"nodeType":92},{},[],{"data":944,"marks":945,"value":946,"nodeType":92},{},[],", they will likely persist until the underlying issue is treated. ","Do halos ever go away? ",{"__typename":561,"sys":949,"title":951,"body":952,"theme":953,"buttonCollection":954},{"id":950},"1WGy75Pd8zIB5q5ZpdA2sW","Did you know?","AA Members are entitled to a free eye test (valued at $60), once every two years. Remember to present your AA Membership card in-store.","Block Colour",{"items":955},[956,959],{"linkText":957,"linkUrl":958,"openLinkInANewBrowserTab":36},"Book an appointment","\u002Fstores",{"linkText":960,"linkUrl":961,"openLinkInANewBrowserTab":36},"See more eye conditions","\u002Feye-health\u002Feye-conditions",{"__typename":963,"sys":964,"title":966,"backgroundTheme":712,"authorEntriesCollection":967},"AuthorContainer",{"id":965},"5PijTkbeBIbguSkWkCDIia","Written with care and checked for accuracy",{"items":968},[969],{"authorBiography":970,"authorName":988,"authorQualification":989,"authorPhoto":990},{"json":971},{"data":972,"content":973,"nodeType":84},{},[974,981],{"data":975,"content":976,"nodeType":97},{},[977],{"data":978,"marks":979,"value":980,"nodeType":92},{},[],"Acyel Al-Alosi has worked for Specsavers since 2016. She graduated in 2018 from University of New South Wales with a Masters of Clinical Optometry. Since 2018, she has practiced on the South Coast of NSW where she took an interest in paediatrics, dry eye and Indigenous outreach. ",{"data":982,"content":983,"nodeType":97},{},[984],{"data":985,"marks":986,"value":987,"nodeType":92},{},[],"She has mentored multiple young optometrist and has a keen interest in the development of early-career optometrists. Currently, she is the Clinical Performance Consultant for NSW\u002FACT where she supports and coaches optometrists and partners to obtain improved patient outcomes. ","Acyel Al-Alosi","M. Clinical Optom",{"url":991},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F5Kb6atC40MprLd85Eg9345\u002F98d5bdf03ca4987837f16eb54c0ee750\u002FAcyel_Al-Alosi.jpg",{"__typename":993,"sys":994,"title":996,"theme":712,"listType":997,"expandAccordion":36,"accordionEntriesCollection":998},"SingleRowAccordion",{"id":995},"2Nklf8xrlRLdB8shBftVnV","Sources we've used","Numbered",{"items":999},[1000,1009,1015,1021,1027,1034,1041],{"__typename":1001,"sys":1002,"citationAuthor":1004,"citationYear":1005,"citationDescription":1006,"citationUrl":1007,"citationAccessedUpdatedDate":1008},"Citation",{"id":1003},"4VSQcI4OJNUPwsgaCY7l9h","National Eye Institute",2024,"Cataracts","https:\u002F\u002Fwww.nei.nih.gov\u002Flearn-about-eye-health\u002Feye-conditions-and-diseases\u002Fcataracts","2025-12-18T00:00:00.000Z",{"__typename":1001,"sys":1010,"citationAuthor":1012,"citationYear":1005,"citationDescription":1013,"citationUrl":1014,"citationAccessedUpdatedDate":1008},{"id":1011},"4nvJmCD5b7cJSqlsX3iDHz","Mayo Clinic","Glaucoma - Symptoms and causes","https:\u002F\u002Fwww.mayoclinic.org\u002Fdiseases-conditions\u002Fglaucoma\u002Fsymptoms-causes\u002Fsyc-20372839",{"__typename":1001,"sys":1016,"citationAuthor":1018,"citationYear":1005,"citationDescription":1019,"citationUrl":1020,"citationAccessedUpdatedDate":1008},{"id":1017},"2syJA89Jtd4SDe604wjxdU","American Academy of Ophthalmology. ","Understanding Glaucoma: Symptoms, Causes, Diagnosis, Treatment","https:\u002F\u002Fwww.aao.org\u002Feye-health\u002Fdiseases\u002Fwhat-is-glaucoma",{"__typename":1001,"sys":1022,"citationAuthor":1024,"citationYear":1005,"citationDescription":1025,"citationUrl":1026,"citationAccessedUpdatedDate":1008},{"id":1023},"3EGavN04CxNNXHxaeTtXnK","Zhu, D., Karki, S., Dhariwal, M., Soini, E., & Asseburg, C","Patient-Reported Outcomes of Visual Disturbances with a Trifocal Intraocular Lens: A Meta-Analysis. Ophthalmology and Therapy, 14(2), 379–390","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC11754775\u002F",{"__typename":1001,"sys":1028,"citationAuthor":1030,"citationYear":1031,"citationDescription":1032,"citationUrl":1033,"citationAccessedUpdatedDate":1008},{"id":1029},"3YfkVVvldfNn123V4QONp9","Cleveland Clinic",2023,"Why Are You Seeing Halos?","https:\u002F\u002Fhealth.clevelandclinic.org\u002Fhalo-vision",{"__typename":1001,"sys":1035,"citationAuthor":1037,"citationYear":1038,"citationDescription":1039,"citationUrl":1040,"citationAccessedUpdatedDate":1008},{"id":1036},"5LmH45TlYGuNzXcj7WaBjI","BrightFocus Foundation",2025," 3 Subtle Signs Your Glaucoma May Be Getting Worse","https:\u002F\u002Fwww.brightfocus.org\u002Fresource\u002F3-subtle-signs-your-glaucoma-may-be-getting-worse\u002F",{"__typename":1001,"sys":1042,"citationAuthor":1044,"citationYear":1038,"citationDescription":1045,"citationUrl":1046,"citationAccessedUpdatedDate":1008},{"id":1043},"7Mi5ZPAJRxgwbNVnkf8IVy","Fitzgerald, A.","Astigmatism lights: Appearance and more. Medical News Today.","https:\u002F\u002Fwww.medicalnewstoday.com\u002Farticles\u002Fastigmatism-lights",{"__typename":709,"sys":1048,"title":1050,"theme":1051,"expandFirstRow":36,"accordionEntriesCollection":1052},{"id":1049},"5CUYECF9Xn92rgLIgIhIiR","Could it be something else? ","Grey",{"items":1053},[1054,1080,1104,1128],{"__typename":716,"sys":1055,"panel":1057,"link":17,"faqCategory":17,"header":1079},{"id":1056},"4HkRy55Ll78LXAOVpzISVj",{"json":1058},{"nodeType":84,"data":1059,"content":1060},{},[1061],{"nodeType":97,"data":1062,"content":1063},{},[1064,1068,1075],{"nodeType":92,"value":1065,"marks":1066,"data":1067},"This is a clouding of the lens of the eye, which can cause cloudy vision and halos. \n",[],{},{"nodeType":189,"data":1069,"content":1070},{"uri":445},[1071],{"nodeType":92,"value":1072,"marks":1073,"data":1074},"Learn more about cataracts",[],{},{"nodeType":92,"value":1076,"marks":1077,"data":1078}," ",[],{},"Cataracts ",{"__typename":716,"sys":1081,"panel":1083,"link":17,"faqCategory":17,"header":1103},{"id":1082},"13ZkqjKdC7xA21qAu0SJzN",{"json":1084},{"nodeType":84,"data":1085,"content":1086},{},[1087],{"nodeType":97,"data":1088,"content":1089},{},[1090,1094,1100],{"nodeType":92,"value":1091,"marks":1092,"data":1093},"A group of eye conditions that damage the optic nerve. A sudden onset of halos can be a sign of acute glaucoma. \n",[],{},{"nodeType":189,"data":1095,"content":1096},{"uri":305},[1097],{"nodeType":92,"value":310,"marks":1098,"data":1099},[],{},{"nodeType":92,"value":1076,"marks":1101,"data":1102},[],{},"Glaucoma ",{"__typename":716,"sys":1105,"panel":1107,"link":17,"faqCategory":17,"header":1127},{"id":1106},"26I5WsQuWNALcWp7wfO3Hi",{"json":1108},{"nodeType":84,"data":1109,"content":1110},{},[1111],{"nodeType":97,"data":1112,"content":1113},{},[1114,1118,1124],{"nodeType":92,"value":1115,"marks":1116,"data":1117},"An imperfection in the curvature of the eye's cornea or lens, which can cause blurred or distorted vision and halos. \n",[],{},{"nodeType":189,"data":1119,"content":1120},{"uri":196},[1121],{"nodeType":92,"value":772,"marks":1122,"data":1123},[],{},{"nodeType":92,"value":1076,"marks":1125,"data":1126},[],{},"Astigmatism",{"__typename":716,"sys":1129,"panel":1131,"link":17,"faqCategory":17,"header":1152},{"id":1130},"1ysW1r5epLkzwYr7i3QLZh",{"json":1132},{"data":1133,"content":1134,"nodeType":84},{},[1135],{"data":1136,"content":1137,"nodeType":97},{},[1138,1142,1149],{"data":1139,"marks":1140,"value":1141,"nodeType":92},{},[],"When your eyes don't produce enough tears, it can cause the surface of the eye to become irregular, which can lead to halos. \n",{"data":1143,"content":1144,"nodeType":189},{"uri":800},[1145],{"data":1146,"marks":1147,"value":1148,"nodeType":92},{},[],"Learn more about dry eye syndrome",{"data":1150,"marks":1151,"value":1076,"nodeType":92},{},[],"Dry eye syndrome",{"__typename":1154,"sys":1155,"title":1157,"body":17,"backgroundTheme":712,"actionCardEntriesCollection":1158},"ActionCardBanner",{"id":1156},"4B1jbqghJNAiamx8wh5lYr","Find out more",{"items":1159},[1160,1168,1176],{"title":1161,"body":1162,"imageAltText":1163,"linkText":1164,"linkUrl":1165,"openLinkInANewBrowserTab":36,"image":1166},"Why do I need an eye test?","Eye tests play a huge part in making sure your eyes stay healthy.","A man undergoes an eye exam, looking into a slit lamp while an eye care professional examines his eye.","Check your vision","\u002Feye-tests\u002Fdo-i-need-an-eye-test",{"url":1167},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F0m0X2zxvzwmGgSdaLmKjr\u002F22b1fcb2cff0c095c09f43cb83998189\u002Feye-health_eyetest-banner-545x273.webp",{"title":1169,"body":1170,"imageAltText":1171,"linkText":1172,"linkUrl":1173,"openLinkInANewBrowserTab":36,"image":1174},"Your store visit explained","At Specsavers we are focused on caring for your eyes and giving you the best possible vision.","A optometrist operates an eye examination machine while an older man sits in front of it.","What to expect in-store","\u002Feye-tests\u002Fyour-store-visit-explained",{"url":1175},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F6QwhITwthLzuD6pL1VvWJi\u002Fffd60b36927947fd2f69c9b209caa785\u002Feye-health_storevisit-banner-545x273.webp",{"title":1177,"body":1178,"imageAltText":1179,"linkText":1180,"linkUrl":1181,"openLinkInANewBrowserTab":36,"image":1182},"More on eye tests","An eye test is not just about getting glasses – it is a vital health check for your eyes.","A friendly optometrist giving advice to a patient in the test room.","All about eye tests","\u002Feye-tests",{"url":1183},"https:\u002F\u002Fimages.ctfassets.net\u002Fuuaxywrybmpn\u002F5klEt6jTY53XMRkReMeHt9\u002F47f0f0e423a6f56d34cbcf07210ee0b1\u002Feye-health_eyetestinfo-banner-545x273.webp",{"__typename":993,"sys":1185,"title":1187,"theme":1051,"listType":1188,"expandAccordion":36,"accordionEntriesCollection":1189},{"id":1186},"3BvnafBbHG7FFQlCN4OxeH","Terms & Conditions","Bullet",{"items":1190},[1191],{"__typename":1192,"body":1193},"TermsAndConditions",{"json":1194},{"data":1195,"content":1196,"nodeType":84},{},[1197],{"data":1198,"content":1199,"nodeType":97},{},[1200],{"data":1201,"marks":1202,"value":1203,"nodeType":92},{},[],"Free exam for AA Members applies to standard eye examinations only, normally valued at $60. Excludes contact lens examination and visual field checks. Limited to one per AA Member every two years. Available to current AA Members upon presentation of AA Membership card.",[17,17,17,17],1789347066974]