Why Some People See Halos Around Lights (and When It’s Serious)

Why Some People See Halos Around Lights (and When It’s Serious) | South Shore Eye Care

Noticing glowing rings or “halos” around lights can feel unsettling, especially when you are driving at night or looking at bright screens. Sometimes, halos are harmless and go away on their own, but they can also be a sign of an eye condition that needs a doctor’s attention. At South Shore Eye Care, we help patients find out what’s causing these changes and work to protect their vision for the future.


What Are Halos Around Lights?


Halos look like bright circles or rings around lights such assuch such as headlights, streetlights, or lamps. They tend to stand out more at night or in low light, when your pupils get bigger.


Some people see halos only once in a while, while others notice them all the time. Causes can be as simple as mild eye irritation or as serious as conditions that affect the cornea, lens, or intraocular pressure.


Common Causes of Halos Around Lights


There are several eye conditions and vision problems that can cause halos.


Refractive Errors


Nearsightedness, farsightedness, and astigmatism can sometimes make your vision blurry and cause halos, especially if your glasses or contact lens prescription is old. Contact lenses that do not fit well can also make lights look strange.


Typical symptoms include:

  • Blurred vision
  • Eye strain
  • Difficulty seeing clearly at night
  • Halos around headlights or lamps


Dry Eye Syndrome


When your eyes are dry, the surface of your eye is not as smooth as it should be. This can make light scatter in odd ways, leading to halos, glare, or vision that comes and goes.


Symptoms often include:

  • Burning or stinging
  • Watery eyes
  • Redness
  • Sensitivity to light
  • Temporary blurry vision


Cataracts


Cataracts occur when the lens within your eye gets cloudy. When light passes through this cloudy lens, it scatters and can cause halos or glare.


Common cataract symptoms include:

  • Halos around lights
  • Increased night-driving difficulty
  • Faded or yellowed colors
  • Blurred or cloudy vision
  • Frequent prescription changes


Cataracts are very common as people get older and usually develop slowly over time.


Glaucoma


Sometimes seeing halos around lights can be a sign of glaucoma, a serious eye condition caused by high pressure inside the eye. One type, called acute angle-closure glaucoma, is a medical emergency and needs quick treatment.


Warning signs may include:

  • Severe eye pain
  • Sudden blurred vision
  • Rainbow-colored halos
  • Headache
  • Nausea or vomiting
  • Red eyes


If you notice these symptoms suddenly, get emergency eye care right away.


When Are Halos Around Lights Serious?


Halos that come and go because of tiredness, dry eyes, or minor irritation often get better with rest or simple treatment. But if halos stick around or get worse, do not ignore them.


Schedule an eye examination if you experience:

  • Sudden alterations in vision
  • Halos that worsen over time
  • Eye pain or redness
  • Difficulty driving at night
  • Blurred vision that interferes with daily activities
  • Light sensitivity or headaches


It is important to find the cause early, because some problems, like glaucoma, can cause lasting vision loss if they are not treated.


How an Eye Care Specialist Can Help


At South Shore Eye Care, we do thorough eye exams to find out exactly why you are seeing halos around lights. We check your vision, eye pressure, cornea, and overall eye health to create a treatment plan tailored to you.


Different treatment options for different underlying conditions may include:

  • Updated prescription glasses or contact lenses
  • Artificial tears for dry eye relief
  • Cataract management or surgery recommendations
  • Glaucoma treatment to reduce eye pressure
  • Lifestyle adaptations to improve visual comfort


Our goal is to help you feel better and keep your eyes healthy and your vision clear for the long term.


Protect Your Vision With Expert Eye Care


Halos around lights are sometimes harmless, but they can also be an early sign of a more serious eye problem. Finding out the cause is the first step to getting the right treatment and seeing more clearly.


If you are seeing halos, have blurry vision, or notice more glare at night, make an appointment with South Shore Eye Care. Our team is set to help you get healthy, comfortable vision with care you can trust.


By Bob Berendsen July 1, 2026
What you eat doesn’t just affect your energy or heart health. It also plays a major role in how well your eyes function over time. While periodic eye exams are important for protecting your vision, a healthy diet can support long-term eye health and may minimize the chances of certain vision problems as you age. At your eye care provider, we often remind patients that healthy vision starts from the inside out. How Nutrition Impacts Eye Health Your vision depends on a steady supply of vitamins, minerals, and antioxidants to stay healthy. Poor nutrition can contribute to issues such as dry eyes, night vision difficulties, and a higher risk of conditions such as cataracts or age-related macular degeneration (AMD). A balanced diet may help protect delicate eye tissues from oxidative stress- and inflammation-induced damage. Key nutrients like vitamins A, C, and E, along with omega-3 fatty acids and zinc, all play important roles in preserving clear, comfortable vision. Best Foods for Healthy Vision Leafy Green Vegetables Spinach, kale, and collard greens are loaded with lutein and zeaxanthin—two powerful antioxidants that help filter harmful blue light and protect the retina. Benefits include: Reduced risk of macular degeneration Better protection against light damage Long-term retinal health support Carrots and Orange Vegetables Carrots, sweet potatoes, and pumpkins contain high amounts of beta-carotene, which the body converts into vitamin A. This nutrient is essential for good night vision and comprehensive eye function. They help support: Clear low-light vision Healthy corneas Reduced risk of dry eyes Fatty Fish Salmon, tuna, mackerel, and sardines are fantastic sources of omega-3 fatty acids. These healthy fats support the oil layer of your tears and help prevent dry eye symptoms. They may help with: Eye moisture and comfort Reduced inflammation Retinal health support Citrus Fruits and Berries Oranges, grapefruits, strawberries, and blueberries have high counts of vitamin C and antioxidants. These nutrients shield the eyes from oxidative stress and may slow age-related damage. Benefits include: Stronger blood vessels in the eyes Lower risk of cataracts Overall antioxidant protection Nuts and Seeds Almonds, walnuts, flaxseeds, and chia seeds provide vitamin E and omega-3 fatty acids that help protect eye cells from damage. They support: Long-term eye cell health Reduced inflammation Protection from age-related vision changes Foods That Promote Long-Term Vision Care No single food can guarantee perfect vision, but a consistent, well-rounded diet rich in eye-friendly nutrients can create a meaningful difference. Combining healthy eating with protective measures like UV-blocking sunglasses and regular eye exams provides the best defense for your vision. When Diet Isn’t Enough Even with a healthy diet, vision changes can still occur due to age, genetics, or underlying eye conditions. If you notice blurry vision, increased dryness, difficulty seeing at night, or changes in how you see colors and light, it’s important to schedule a comprehensive eye exam. Early detection is key in handling conditions like cataracts, glaucoma, and macular degeneration before they significantly affect your vision. Supporting Your Vision From the Inside Out Nutrition is a powerful way to maintain healthy eyes, but it works best as part of a complete eye care routine. Eating a variety of colorful, nutrient-rich foods can help keep your eyes functioning at their best for years to come. If you’re concerned about your vision or want to learn more about preserving your eye health, plan a visit with your eye care provider today.
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