[{"data":1,"prerenderedAt":868},["ShallowReactive",2],{"microcopies":3,"page-data-\u002Feye-health\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":867},{"contentPage":11},{"entryTitle":12,"pageTitle":13,"seoMetaData":14,"topSection":18,"bottomSection":30,"anchors":40,"mainSectionCollection":73},"en-GB - Eye health - Halos around lights - Content page","Halos Around Lights: Causes and Treatments",{"metaDescription":15,"indexed":16,"follow":16,"metaKeywords":17,"updatedForProjectAlphabet":16},"Seeing halos around lights can be a sign of a mild or more serious eye condition. Find out about what your halo vision can mean for your eye health.",true,null,{"__typename":19,"sys":20,"title":22,"subtitle":23,"theme":24,"heroHeightVersion":25,"button":26},"HeroBanner",{"id":21},"6wRApwo0puYcqtT2yzuecH","Halos Around Lights","Learn about halo vision, what causes it, and how it's treated.","Ellipse","Condensed",{"linkText":27,"linkUrl":28,"openLinkInANewBrowserTab":29},"Book an appointment","\u002Fbook\u002Flocation",false,{"__typename":31,"sys":32,"title":34,"body":35,"buttonsCollection":36},"FullWidthBannerFooter",{"id":33},"4OCeZfZXZhhg0rwqanhppY","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":37},[38],{"linkText":39,"linkUrl":28,"openLinkInANewBrowserTab":29},"Book an eye test",{"anchorLinksCollection":41},{"items":42},[43,48,53,58,63,68],{"anchorLabel":44,"includeLinkInPageNav":16,"anchorTarget":45},"Overview",{"sys":46},{"id":47},"4l1QYRe58XTeL1UbsQvMYG",{"anchorLabel":49,"includeLinkInPageNav":16,"anchorTarget":50},"Symptoms",{"sys":51},{"id":52},"3IrWuPS82T4MBfwkD2BufU",{"anchorLabel":54,"includeLinkInPageNav":16,"anchorTarget":55},"Causes",{"sys":56},{"id":57},"7yd3p4UDHma25NBGxwVXlj",{"anchorLabel":59,"includeLinkInPageNav":16,"anchorTarget":60},"Diagnosis",{"sys":61},{"id":62},"5oyJo2aUNFG7UHOy8Vxp3O",{"anchorLabel":64,"includeLinkInPageNav":16,"anchorTarget":65},"Treatment",{"sys":66},{"id":67},"464RHXwHHpQYfLJISIUFZG",{"anchorLabel":69,"includeLinkInPageNav":16,"anchorTarget":70},"Prevention",{"sys":71},{"id":72},"5llBRoROtLYOdSbboXyDQj",{"items":74},[75,82,170,314,329,453,476,578,601,630,646,789,813],{"__typename":76,"sys":77,"linkEntries":78,"title":80,"body":81,"leftAligned":29},"Summary",{"id":47},{"items":79},[],"Noticed halos or starbursts around lights?","Halos around lights are most often noticed at nighttime. 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.",{"__typename":83,"sys":84,"theme":86,"genericTextComponent":87},"ContentTypeRichText",{"id":85},"1aMLeUFMU0NxbTBlQexsGE","Cool Blue",{"json":88,"links":167},{"data":89,"content":90,"nodeType":166},{},[91,100,108,159],{"data":92,"content":93,"nodeType":99},{},[94],{"data":95,"marks":96,"value":97,"nodeType":98},{},[],"Halos around explained?","text","heading-2",{"data":101,"content":102,"nodeType":107},{},[103],{"data":104,"marks":105,"value":106,"nodeType":98},{},[],"How your eye's surface works: To understand halos, it helps to know about the surface of your eye. ","paragraph",{"data":109,"content":110,"nodeType":158},{},[111,128,143],{"data":112,"content":113,"nodeType":127},{},[114],{"data":115,"content":116,"nodeType":107},{},[117,123],{"data":118,"marks":119,"value":122,"nodeType":98},{},[120],{"type":121},"bold","Cornea:",{"data":124,"marks":125,"value":126,"nodeType":98},{},[]," The transparent outer layer at the front of the eye that covers the iris, pupil, and anterior chamber. It refracts 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. 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. ","list-item",{"data":129,"content":130,"nodeType":127},{},[131],{"data":132,"content":133,"nodeType":107},{},[134,139],{"data":135,"marks":136,"value":138,"nodeType":98},{},[137],{"type":121},"Retina:",{"data":140,"marks":141,"value":142,"nodeType":98},{},[]," 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. ",{"data":144,"content":145,"nodeType":127},{},[146],{"data":147,"content":148,"nodeType":107},{},[149,154],{"data":150,"marks":151,"value":153,"nodeType":98},{},[152],{"type":121},"Pupil",{"data":155,"marks":156,"value":157,"nodeType":98},{},[],": The opening in the centre 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.","unordered-list",{"data":160,"content":161,"nodeType":107},{},[162],{"data":163,"marks":164,"value":165,"nodeType":98},{},[],"","document",{"entries":168},{"block":169},[],{"__typename":83,"sys":171,"theme":172,"genericTextComponent":173},{"id":52},"Mono White",{"json":174,"links":311},{"nodeType":166,"data":175,"content":176},{},[177,184,191,289,297,304],{"nodeType":99,"data":178,"content":179},{},[180],{"nodeType":98,"value":181,"marks":182,"data":183},"Symptoms of halos around lights ",[],{},{"nodeType":107,"data":185,"content":186},{},[187],{"nodeType":98,"value":188,"marks":189,"data":190},"The main symptom is seeing a halo around light sources, but this can be accompanied by other symptoms, which may indicate an underlying condition. ",[],{},{"nodeType":158,"data":192,"content":193},{},[194,209,237,263],{"nodeType":127,"data":195,"content":196},{},[197],{"nodeType":107,"data":198,"content":199},{},[200,205],{"nodeType":98,"value":201,"marks":202,"data":204},"Rainbow vision in one eye.",[203],{"type":121},{},{"nodeType":98,"value":206,"marks":207,"data":208}," Seeing a rainbow around lights can be a symptom of acute glaucoma, which requires immediate medical attention. ",[],{},{"nodeType":127,"data":210,"content":211},{},[212],{"nodeType":107,"data":213,"content":214},{},[215,220,224,233],{"nodeType":98,"value":216,"marks":217,"data":219},"Blurry vision.",[218],{"type":121},{},{"nodeType":98,"value":221,"marks":222,"data":223}," If halos are accompanied by blurry vision, it could be a sign of cataracts or astigmatism. Learn more about ",[],{},{"nodeType":225,"data":226,"content":228},"hyperlink",{"uri":227},"\u002Feye-health\u002Fblurry-vision",[229],{"nodeType":98,"value":230,"marks":231,"data":232},"blurry vision",[],{},{"nodeType":98,"value":234,"marks":235,"data":236},".",[],{},{"nodeType":127,"data":238,"content":239},{},[240],{"nodeType":107,"data":241,"content":242},{},[243,248,252,260],{"nodeType":98,"value":244,"marks":245,"data":247},"Eye pain",[246],{"type":121},{},{"nodeType":98,"value":249,"marks":250,"data":251},". Sudden eye pain along with halos can be a symptom of acute glaucoma. Learn more about ",[],{},{"nodeType":225,"data":253,"content":255},{"uri":254},"\u002Feye-health\u002Feye-pain",[256],{"nodeType":98,"value":257,"marks":258,"data":259},"eye pain",[],{},{"nodeType":98,"value":234,"marks":261,"data":262},[],{},{"nodeType":127,"data":264,"content":265},{},[266],{"nodeType":107,"data":267,"content":268},{},[269,274,278,286],{"nodeType":98,"value":270,"marks":271,"data":273},"Double vision.",[272],{"type":121},{},{"nodeType":98,"value":275,"marks":276,"data":277}," If you are experiencing double vision as well as halos, this could be a symptom of cataracts. Learn more about ",[],{},{"nodeType":225,"data":279,"content":281},{"uri":280},"\u002Feye-health\u002Fdouble-vision",[282],{"nodeType":98,"value":283,"marks":284,"data":285},"double vision",[],{},{"nodeType":98,"value":234,"marks":287,"data":288},[],{},{"nodeType":290,"data":291,"content":292},"heading-3",{},[293],{"nodeType":98,"value":294,"marks":295,"data":296},"Halos vs. Starbursts Vision simulation",[],{},{"nodeType":107,"data":298,"content":299},{},[300],{"nodeType":98,"value":301,"marks":302,"data":303},"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.",[],{},{"nodeType":107,"data":305,"content":306},{},[307],{"nodeType":98,"value":308,"marks":309,"data":310},"\n",[],{},{"entries":312},{"block":313},[],{"__typename":315,"sys":316,"title":318,"body":319,"imageAltText":320,"theme":321,"imageMobileTablet":322,"imageDesktop":324,"buttonsCollection":326},"SplitBanner",{"id":317},"4fT9uhhv8gsCWbft8wryV5","Do these symptoms sound familiar?","If you have experienced any of the symptoms mentioned above it's worth booking an appointment with one of our optometrists.","An optician delivers an eye test to a customer","Aloe Green",{"url":323},"https:\u002F\u002Fimages.ctfassets.net\u002Fzcryw81f0g1x\u002F3YtjE1RIi3ELfhdPGTDHkA\u002Fabb782bb611c9ec4d2ff0f4e0d803198\u002FClinical-Shoot-2003---Eye-Test-1---1536x864.jpg",{"url":325},"https:\u002F\u002Fimages.ctfassets.net\u002Fzcryw81f0g1x\u002F7hJUdeEsd53lRq2Gqrd11i\u002Fc253b9299edbd53d85f6cb528dd842d3\u002FClinical-Shoot-2003---Eye-Test-1---940x1000.jpg",{"items":327},[328],{"linkText":39,"linkUrl":28,"openLinkInANewBrowserTab":29},{"__typename":83,"sys":330,"theme":172,"genericTextComponent":331},{"id":57},{"json":332,"links":450},{"nodeType":166,"data":333,"content":334},{},[335,342,349,356,363,370,444],{"nodeType":99,"data":336,"content":337},{},[338],{"nodeType":98,"value":339,"marks":340,"data":341},"What causes halos around lights? ",[],{},{"nodeType":107,"data":343,"content":344},{},[345],{"nodeType":98,"value":346,"marks":347,"data":348},"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.",[],{},{"nodeType":290,"data":350,"content":351},{},[352],{"nodeType":98,"value":353,"marks":354,"data":355},"Who’s more likely to get it? ",[],{},{"nodeType":107,"data":357,"content":358},{},[359],{"nodeType":98,"value":360,"marks":361,"data":362},"People with certain eye conditions are more likely to experience halo eyesight. ",[],{},{"nodeType":107,"data":364,"content":365},{},[366],{"nodeType":98,"value":367,"marks":368,"data":369},"This includes those with:",[],{},{"nodeType":158,"data":371,"content":372},{},[373,394,414,434],{"nodeType":127,"data":374,"content":375},{},[376],{"nodeType":107,"data":377,"content":378},{},[379,382,390],{"nodeType":98,"value":165,"marks":380,"data":381},[],{},{"nodeType":225,"data":383,"content":385},{"uri":384},"\u002Feye-health\u002Fcataracts",[386],{"nodeType":98,"value":387,"marks":388,"data":389},"Cataracts",[],{},{"nodeType":98,"value":391,"marks":392,"data":393}," ",[],{},{"nodeType":127,"data":395,"content":396},{},[397],{"nodeType":107,"data":398,"content":399},{},[400,403,411],{"nodeType":98,"value":165,"marks":401,"data":402},[],{},{"nodeType":225,"data":404,"content":406},{"uri":405},"\u002Feye-health\u002Fglaucoma",[407],{"nodeType":98,"value":408,"marks":409,"data":410},"Glaucoma",[],{"chevron-link":16},{"nodeType":98,"value":165,"marks":412,"data":413},[],{},{"nodeType":127,"data":415,"content":416},{},[417],{"nodeType":107,"data":418,"content":419},{},[420,423,431],{"nodeType":98,"value":165,"marks":421,"data":422},[],{},{"nodeType":225,"data":424,"content":426},{"uri":425},"\u002Feye-health\u002Fastigmatism",[427],{"nodeType":98,"value":428,"marks":429,"data":430},"Astigmatism ",[],{"chevron-link":16},{"nodeType":98,"value":165,"marks":432,"data":433},[],{},{"nodeType":127,"data":435,"content":436},{},[437],{"nodeType":107,"data":438,"content":439},{},[440],{"nodeType":98,"value":441,"marks":442,"data":443},"It is also more common in older adults, as conditions like cataracts become more prevalent with age.",[],{},{"nodeType":107,"data":445,"content":446},{},[447],{"nodeType":98,"value":165,"marks":448,"data":449},[],{},{"entries":451},{"block":452},[],{"__typename":83,"sys":454,"theme":86,"genericTextComponent":455},{"id":62},{"json":456,"links":473},{"data":457,"content":458,"nodeType":166},{},[459,466],{"data":460,"content":461,"nodeType":99},{},[462],{"data":463,"marks":464,"value":465,"nodeType":98},{},[],"How are halos around lights diagnosed? ",{"data":467,"content":468,"nodeType":107},{},[469],{"data":470,"marks":471,"value":472,"nodeType":98},{},[],"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. Patient history: Your optometrist will ask about your symptoms, any previous eye problems, and your general health to understand the situation. Visual acuity test: This test will check how well you can see at various distances. Slit-lamp examination: 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":474},{"block":475},[],{"__typename":83,"sys":477,"theme":172,"genericTextComponent":478},{"id":67},{"json":479,"links":573},{"nodeType":166,"data":480,"content":481},{},[482,489,496,503,510,558,567],{"nodeType":99,"data":483,"content":484},{},[485],{"nodeType":98,"value":486,"marks":487,"data":488},"How are halos around lights treated? ",[],{},{"nodeType":107,"data":490,"content":491},{},[492],{"nodeType":98,"value":493,"marks":494,"data":495},"Treatment for light halos depends on the underlying cause. If the halos are caused by a refractive error like astigmatism, new glasses or contact lenses may be prescribed. If a condition like cataracts is the cause, surgery to remove the cataract may be recommended.",[],{},{"nodeType":290,"data":497,"content":498},{},[499],{"nodeType":98,"value":500,"marks":501,"data":502},"When halos need medical help",[],{},{"nodeType":107,"data":504,"content":505},{},[506],{"nodeType":98,"value":507,"marks":508,"data":509},"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.",[],{},{"nodeType":158,"data":511,"content":512},{},[513,528,543],{"nodeType":127,"data":514,"content":515},{},[516],{"nodeType":107,"data":517,"content":518},{},[519,524],{"nodeType":98,"value":520,"marks":521,"data":523},"Laser treatment.",[522],{"type":121},{},{"nodeType":98,"value":525,"marks":526,"data":527}," 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.",[],{},{"nodeType":127,"data":529,"content":530},{},[531],{"nodeType":107,"data":532,"content":533},{},[534,539],{"nodeType":98,"value":535,"marks":536,"data":538},"Surgery.",[537],{"type":121},{},{"nodeType":98,"value":540,"marks":541,"data":542}," For conditions like cataracts, surgery to replace the cloudy lens is a common and effective treatment.",[],{},{"nodeType":127,"data":544,"content":545},{},[546],{"nodeType":107,"data":547,"content":548},{},[549,554],{"nodeType":98,"value":550,"marks":551,"data":553},"Corrective lenses.",[552],{"type":121},{},{"nodeType":98,"value":555,"marks":556,"data":557}," 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.",[],{},{"nodeType":559,"data":560,"content":566},"embedded-entry-block",{"target":561},{"sys":562},{"id":563,"type":564,"linkType":565},"7LVlKnw0P7kN3T1LzG9EEh","Link","Entry",[],{"nodeType":107,"data":568,"content":569},{},[570],{"nodeType":98,"value":165,"marks":571,"data":572},[],{},{"entries":574},{"block":575},[576],{"__typename":564,"sys":577,"linkText":39,"linkUrl":28,"openLinkInANewBrowserTab":29},{"id":563},{"__typename":83,"sys":579,"theme":86,"genericTextComponent":580},{"id":72},{"json":581,"links":598},{"data":582,"content":583,"nodeType":166},{},[584,591],{"data":585,"content":586,"nodeType":99},{},[587],{"data":588,"marks":589,"value":590,"nodeType":98},{},[],"Preventing halos around lights ",{"data":592,"content":593,"nodeType":107},{},[594],{"data":595,"marks":596,"value":597,"nodeType":98},{},[],"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 tests.",{"entries":599},{"block":600},[],{"__typename":602,"sys":603,"title":605,"body":17,"backgroundTheme":606,"actionCardEntriesCollection":607},"ActionCardBanner",{"id":604},"keqiwluN3uCiUw39HKjMx","Find out more about eye care services","White",{"items":608},[609,617,622],{"title":610,"body":611,"imageAltText":612,"linkText":613,"linkUrl":614,"openLinkInANewBrowserTab":29,"image":615},"All eye conditions","Read more information about all eye conditions.","Women using a slit lamp","View all eye conditions","\u002Feye-health",{"url":616},"https:\u002F\u002Fimages.ctfassets.net\u002Fzcryw81f0g1x\u002F4cwFJgHB9BHy1B690ebBQ0\u002Fc02de50880709bc238812946c93ccfea\u002FDAY_2_SLIT_LAMP_TEST_117-150DPI.jpg",{"title":39,"body":618,"imageAltText":619,"linkText":39,"linkUrl":28,"openLinkInANewBrowserTab":29,"image":620},"Book an appointment at your local Specsavers store.","Man having an OCT scan",{"url":621},"https:\u002F\u002Fimages.ctfassets.net\u002Fzcryw81f0g1x\u002F5T3QokGERAThYXwgmSXxFq\u002F2456853b7550d03764f544496176b83e\u002Fmodule_hero__16x9_oct_sight_test_no-derivative.jpg",{"title":623,"body":624,"imageAltText":625,"linkText":626,"linkUrl":627,"openLinkInANewBrowserTab":29,"image":628},"All about eye tests","Everything you need to know about getting your eyes tested.","Women using a phoropter","Find out more","\u002Feye-test",{"url":629},"https:\u002F\u002Fimages.ctfassets.net\u002Fzcryw81f0g1x\u002F5zSdFZFmwKx4bFKCWIm9A9\u002F142dfde2099cab8de29510ab68f4b17b\u002FDAY_1_SNELLEN_11-72DPI.jpg",{"__typename":602,"sys":631,"title":633,"body":634,"backgroundTheme":635,"actionCardEntriesCollection":636},{"id":632},"5Le9CXUiO49fD99bBUcmfj","Related conditions","Not sure if this is what you're experiencing? ","Grey",{"items":637},[638,640,642],{"image":17,"title":387,"body":639,"imageAltText":17,"linkText":626,"linkUrl":384,"openLinkInANewBrowserTab":29},"Cataracts are very common. When the lens is cloudy from a cataract, the images appear blurred, a bit like looking through a dirty window.",{"image":17,"title":408,"body":641,"imageAltText":17,"linkText":626,"linkUrl":405,"openLinkInANewBrowserTab":29},"Glaucoma is a group of diseases that damage the optic nerve. As most cases won't have any symptoms one of the best ways to detect it is a routine eye test.",{"image":17,"title":643,"body":644,"imageAltText":17,"linkText":626,"linkUrl":645,"openLinkInANewBrowserTab":29},"Astigmatism","This is simply an imperfection in the shape of your eye that affects how you see.","https:\u002F\u002Fwww.specsavers.ie\u002Feye-health\u002Fastigmatism",{"__typename":647,"sys":648,"title":650,"theme":606,"expandFirstRow":29,"accordionEntriesCollection":651},"Accordion",{"id":649},"4UgWEUCzPTXJvyfQWKflL","Halos around lights FAQs",{"items":652},[653,669,684,699,714,729,744,759,774],{"__typename":654,"sys":655,"panel":657,"link":17,"faqCategory":17,"header":668},"Faq",{"id":656},"5W1ESSMYpHe8HnSNuPWRxp",{"json":658},{"nodeType":166,"data":659,"content":660},{},[661],{"nodeType":107,"data":662,"content":663},{},[664],{"nodeType":98,"value":665,"marks":666,"data":667},"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":654,"sys":670,"panel":672,"link":17,"faqCategory":17,"header":683},{"id":671},"c5Bx1uAGsiGrjAtu2hHiM",{"json":673},{"nodeType":166,"data":674,"content":675},{},[676],{"nodeType":107,"data":677,"content":678},{},[679],{"nodeType":98,"value":680,"marks":681,"data":682},"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":654,"sys":685,"panel":687,"link":17,"faqCategory":17,"header":698},{"id":686},"wkzGasrKlFQ53bCUclOe5",{"json":688},{"nodeType":166,"data":689,"content":690},{},[691],{"nodeType":107,"data":692,"content":693},{},[694],{"nodeType":98,"value":695,"marks":696,"data":697},"Yes, astigmatism halos around lights are a common symptom of this condition.  ",[],{},"Can astigmatism cause halos around lights?",{"__typename":654,"sys":700,"panel":702,"link":17,"faqCategory":17,"header":713},{"id":701},"5GQqcY9gJ4Kdvr2N3LF0Vx",{"json":703},{"nodeType":166,"data":704,"content":705},{},[706],{"nodeType":107,"data":707,"content":708},{},[709],{"nodeType":98,"value":710,"marks":711,"data":712},"Seeing a rainbow or multicoloured rings around lights is often linked to a visual aura from migraine. It can also be caused by other eye conditions, so it’s best to get checked by an optometrist. ",[],{},"Why do I see a rainbow around lights?",{"__typename":654,"sys":715,"panel":717,"link":17,"faqCategory":17,"header":728},{"id":716},"3t3PEZR9qiYxTT7nCBVyna",{"json":718},{"nodeType":166,"data":719,"content":720},{},[721],{"nodeType":107,"data":722,"content":723},{},[724],{"nodeType":98,"value":725,"marks":726,"data":727},"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":654,"sys":730,"panel":732,"link":17,"faqCategory":17,"header":743},{"id":731},"1iX23VxXfuwkgFlQQcgYOU",{"json":733},{"nodeType":166,"data":734,"content":735},{},[736],{"nodeType":107,"data":737,"content":738},{},[739],{"nodeType":98,"value":740,"marks":741,"data":742},"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":654,"sys":745,"panel":747,"link":17,"faqCategory":17,"header":758},{"id":746},"3MeFo3RNVgvTQrReax83NW",{"json":748},{"nodeType":166,"data":749,"content":750},{},[751],{"nodeType":107,"data":752,"content":753},{},[754],{"nodeType":98,"value":755,"marks":756,"data":757},"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":654,"sys":760,"panel":762,"link":17,"faqCategory":17,"header":773},{"id":761},"5digsSs8JSATsLatatJZRH",{"json":763},{"nodeType":166,"data":764,"content":765},{},[766],{"nodeType":107,"data":767,"content":768},{},[769],{"nodeType":98,"value":770,"marks":771,"data":772},"Sudden sensitivity to light (photophobia) can be caused by a number of things, including eye infections, inflammation (like uveitis), corneal abrasion, or it can be a symptom of an underlying condition like migraine or acute glaucoma. It's important to get it checked out.  ",[],{},"Why are my eyes sensitive to light all of a sudden?",{"__typename":654,"sys":775,"panel":777,"link":17,"faqCategory":17,"header":788},{"id":776},"4tkD62g9bhGhV6BYC51TQf",{"json":778},{"nodeType":166,"data":779,"content":780},{},[781],{"nodeType":107,"data":782,"content":783},{},[784],{"nodeType":98,"value":785,"marks":786,"data":787},"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 astigmatism or cataracts, they will likely persist until the underlying issue is treated.",[],{},"Do halos ever go away?",{"__typename":790,"sys":791,"title":793,"backgroundTheme":794,"authorEntriesCollection":795},"AuthorContainer",{"id":792},"1K9CpO9GoJ51VfEHMg7YPV","Written by our experts for peace of mind","Green",{"items":796},[797],{"authorBiography":798,"authorName":809,"authorQualification":810,"authorPhoto":811},{"json":799},{"nodeType":166,"data":800,"content":801},{},[802],{"nodeType":107,"data":803,"content":804},{},[805],{"nodeType":98,"value":806,"marks":807,"data":808},"Ross is an experienced optometrist having graduated in 2007 from Bradford University. He is also ophthalmic director of Specsavers Swaledale with Northallerton & Thirsk, a pre-registration supervisor, professional advancement consultant, and a WOPEC Lead Assessor. He has previously worked as Director of Optometry Advancement for Specsavers and as a columnist for Optician & ProFile magazine.",[],{},"Ross Campbell","BSc Hons MCOptom Prof Cert Glauc Prof Cert Med Ret",{"url":812},"https:\u002F\u002Fimages.ctfassets.net\u002Fzcryw81f0g1x\u002F5mrcuMDlru21b9LMMuIQn7\u002F34dcf1c5e9fe3ed41c4ea4077537d61f\u002FRoss_Campbell_Northallerton.jpg",{"__typename":814,"sys":815,"title":817,"theme":606,"listType":818,"expandAccordion":29,"accordionEntriesCollection":819},"SingleRowAccordion",{"id":816},"1vARjySSdNHWHbpOop7p0k","References","Numbered",{"items":820},[821,829,835,841,847,854,861],{"__typename":822,"sys":823,"citationAuthor":825,"citationYear":826,"citationDescription":827,"citationUrl":828,"citationAccessedUpdatedDate":17},"Citation",{"id":824},"5tePbSofNFW8hwdGyC9Cux","National Eye Institute.",2024,"Cataracts.","https:\u002F\u002Fwww.nei.nih.gov\u002Flearn-about-eye-health\u002Feye-conditions-and-diseases\u002Fcataracts",{"__typename":822,"sys":830,"citationAuthor":832,"citationYear":826,"citationDescription":833,"citationUrl":834,"citationAccessedUpdatedDate":17},{"id":831},"Amepa0opkfU0vv5KFTiiE","Mayo Clinic.","Glaucoma - Symptoms and causes","https:\u002F\u002Fwww.mayoclinic.org\u002Fdiseases-conditions\u002Fglaucoma\u002Fsymptoms-causes\u002Fsyc-20372839",{"__typename":822,"sys":836,"citationAuthor":838,"citationYear":826,"citationDescription":839,"citationUrl":840,"citationAccessedUpdatedDate":17},{"id":837},"1DrEaKlzQQPg1fuOUoMOCw","American Academy of Ophthalmology. ","Understanding Glaucoma: Symptoms, Causes, Diagnosis, Treatment.","https:\u002F\u002Fwww.aao.org\u002Feye-health\u002Fdiseases\u002Fwhat-is-glaucoma",{"__typename":822,"sys":842,"citationAuthor":844,"citationYear":826,"citationDescription":845,"citationUrl":846,"citationAccessedUpdatedDate":17},{"id":843},"5YcePel2jRA4Il36WOGZjK","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":822,"sys":848,"citationAuthor":850,"citationYear":851,"citationDescription":852,"citationUrl":853,"citationAccessedUpdatedDate":17},{"id":849},"4M1YRccK8qUS2U5YdvvZmm","Cleveland Clinic. ",2023,"Why Are You Seeing Halos?","https:\u002F\u002Fhealth.clevelandclinic.org\u002Fhalo-vision",{"__typename":822,"sys":855,"citationAuthor":857,"citationYear":858,"citationDescription":859,"citationUrl":860,"citationAccessedUpdatedDate":17},{"id":856},"7dwTweLPzbuxGXo0qlxAcx","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":822,"sys":862,"citationAuthor":864,"citationYear":858,"citationDescription":865,"citationUrl":866,"citationAccessedUpdatedDate":17},{"id":863},"72ZYL5DSGx6wOAAK3J95jm","Fitzgerald, A.","Astigmatism lights: Appearance and more. Medical News Today. ","https:\u002F\u002Fwww.medicalnewstoday.com\u002Farticles\u002Fastigmatism-lights",[17,17],1787904286577]