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Sensitivity to light, also called photophobia, is when bright lights hurt your eyes or make you want to squint or look away. It is not a disease itself, but a symptom that can be caused by many different things — from a simple headache to an eye infection.
Key facts
Yes, many people experience sensitivity to light at some point in their lives. It is especially common with migraines, eye infections, and after eye surgery.
Anyone can develop sensitivity to light, but it is more common in people who have migraines, certain eye conditions, or take certain medications. People with light-coloured eyes may also be more sensitive.
Your doctor will ask about your symptoms, when they started, and any other health problems you have. They will also examine your eyes with a special light to look for signs of injury, infection, or dryness.
The examination is usually quick and painless. Your doctor may ask you to look at a light or eye drops may be used to dilate your pupils so the back of your eye can be seen. They will explain any findings and recommend next steps.
Treatment depends entirely on the cause. For minor causes like a headache or dry eye, simple self-care measures often help. For infections or other medical conditions, your doctor will treat the underlying problem. Never use eye drops that are not prescribed for your specific condition.
If you are sensitive to light, you can adjust your environment to feel more comfortable. Use curtains or blinds, choose soft lighting, and wear sunglasses when needed. Let people around you know what helps.
There is no specific diet for light sensitivity, but eating a balanced diet rich in omega-3 fatty acids, vitamins A, C, and E supports overall eye health. Staying hydrated helps reduce dry eye symptoms. Exercise can help with stress, which can trigger migraines for some people.
You cannot always prevent light sensitivity because it is a symptom of other conditions. However, taking good care of your eyes — wearing UV-protective sunglasses outdoors, taking screen breaks, and treating dry eyes early — can help reduce your chances.
For most people, light sensitivity is a temporary and treatable symptom. Once the cause is addressed — whether it is a headache, dry eye, or infection — the sensitivity usually goes away. Even in long-term conditions, there are many ways to manage it and maintain a good quality of life.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
Your doctor may recommend lubricating eye drops for dry eyes, or prescription eye drops for inflammation or infection. If sensitivity is linked to migraines, there are preventative treatments and medications to stop attacks early. For some conditions like iritis, steroid eye drops may be used. All treatments should be discussed with your healthcare provider.
Surgery is not used to treat light sensitivity itself. However, if the cause is a condition like a cataract, cataract surgery may reduce the sensitivity.
Living with constant light sensitivity can be frustrating and may make you avoid social activities, especially outdoors. This can sometimes lead to anxiety or low mood. If you feel your quality of life is affected, talk to your doctor — they can help you find ways to manage and offer support.