Pain Behind the Eye: Causes, Red Flags, and When to See a Doctor

Pain behind the eye is a symptom, not a diagnosis. That is why the feeling can be so confusing. One person may mean a dull pressure behind both eyes after hours on a computer. Another may mean a sharp pain behind one eye with nausea, blurry vision, or a headache that feels deep in the socket. The American Academy of Ophthalmology notes that eye pain can be associated with many different eye conditions, while Cleveland Clinic points out that some people describe the discomfort specifically as pain behind the eye (AAO, Cleveland Clinic).

That wide range matters because the source may be the eye itself, the tissues around it, the sinuses, or a headache disorder. In some cases, the right next step is a routine eye exam. In other cases, the symptom belongs in urgent care or the emergency room. The deciding factor is usually not whether the pain is on the left or right side. It is the pattern: how severe it is, how quickly it started, whether vision changed, and whether other symptoms came with it.

This article is meant to help you sort those patterns. It cannot diagnose the cause of pain behind your eye, but it can help you understand the common possibilities, recognize red flags, and decide when to seek care. If you want a broader look at related symptoms, our older articles on eye pain and pain behind the left eye can add context, but this page is designed to be the main decision guide.

Reviewed by: Dr. Mital Patel, OD.

Table of Contents

• What does pain behind the eye usually mean?
• When is pain behind the eye an emergency?
• What common eye-related problems can cause pain behind the eye?
• Why can a headache feel like it is behind one eye?
• Can sinus pressure or screen use cause pain behind the eyes?
• What should you do if you have pain behind the left eye or right eye?
• What else do people ask about pain behind the eye?
• Sources

What does pain behind the eye usually mean?

When people search for pain behind the eye, they are usually describing location, not cause. That distinction helps explain why the search results often feel unsatisfying. The same phrase can be used for pressure behind both eyes, a headache behind one eye, pain with eye movement, or a deep ache that feels like it is coming from the back of the eye. Those patterns do not all point to the same problem.

Sometimes the symptom comes from the eye itself. Acute glaucoma, optic neuritis, infection around the eye, corneal injury, and inflammation can all create significant pain or pain plus vision symptoms. Sometimes the source is nearby rather than inside the eye. Sinus inflammation can create pressure that feels deep around the eyes and nose. In other cases, the main driver is neurologic, especially migraine or cluster headache, both of which can create one-sided pain that people describe as eye pain even when the eye is not the primary problem (Cleveland Clinic, Cleveland Clinic Migraine, Cleveland Clinic Cluster Headaches).

The practical point is simple: pain location alone does not tell you whether the problem is mild or serious. A dull pressure behind the eyes after a long screen-heavy day may have a very different explanation than sudden sharp pain behind one eye with blurry vision. The more useful questions are what else is happening, how fast it started, and whether your vision or eye movement changed.

Is pain behind one eye always serious?

No. One-sided pain behind the eye can happen with common conditions such as migraine or cluster headache. Cleveland Clinic describes migraine as capable of causing debilitating, one-sided head pain, while cluster headaches often create severe pain in the orbital region, behind the eye or near the temple (Cleveland Clinic Migraine, Cleveland Clinic Cluster Headaches).

That said, one-sided pain deserves more attention when it is severe, new, worsening, or paired with symptoms such as red eye, blurred vision, nausea, swelling, bulging, or pain when you move the eye. In other words, pain behind the left eye and pain behind the right eye are both symptoms that need context. Laterality may help describe the problem, but it does not diagnose it.

What symptoms change the urgency?

Several symptom combinations should push pain behind the eye higher on your concern list. MedlinePlus warns that sudden intense eye pain with blurry vision, red eyes, or nausea can signal angle-closure glaucoma and warrants urgent evaluation (MedlinePlus). Cleveland Clinic also advises prompt medical help if eye pain appears with vomiting, halos around lights, fever or chills, blurred vision, bulging eyes, or reduced ability to move the eye normally (Cleveland Clinic).

Pain with eye movement is another important clue. Cleveland Clinic notes that more than 90% of people with optic neuritis experience pain, and that it usually worsens when they move their eyes (Cleveland Clinic Optic Neuritis). Fever, swelling, bulging, and double vision matter because they can suggest an infection around the eye rather than a simple headache or mild irritation (Cleveland Clinic Orbital Cellulitis).

When is pain behind the eye an emergency?

Pain behind the eye is an emergency when it arrives with symptoms that suggest a threat to sight or a serious infection. The clearest example is acute angle-closure glaucoma. MedlinePlus says intense eye pain, blurry vision, red eyes, and an upset stomach or nausea are reasons to contact an eye care provider or go to an emergency room right away (MedlinePlus). That pattern is not something to monitor at home.

Another emergency pattern is swelling around the eye with fever, bulging, double vision, or trouble moving the eye. Cleveland Clinic explains that orbital cellulitis can cause serious complications, including vision loss, and that treatment right away can help prevent long-term damage (Cleveland Clinic Orbital Cellulitis).

A useful way to think about urgency is to sort the symptom into three buckets: emergency now, same-day evaluation, or routine but timely follow-up.

Which symptoms mean you should seek emergency care now?

You should seek emergency care right away if pain behind the eye comes with any of the following:

• Sudden intense eye pain with blurry vision, red eye, nausea, or vomiting
• Fever with swelling around the eye or a bulging eye
• New double vision
• Major or sudden vision loss
• Severe pain after eye injury or a suspected foreign body

Those symptoms raise concern for problems such as acute glaucoma, orbital cellulitis, or other serious eye conditions that should not wait until the next open appointment (MedlinePlus, Cleveland Clinic, Cleveland Clinic Orbital Cellulitis).

Which symptoms justify a same-day eye exam or urgent visit?

Not every urgent case needs the ER, but same-day evaluation makes sense if pain behind the eye is persistent, unusual for you, or linked to visual symptoms. The AAO advises people with unusual vision symptoms to speak with an ophthalmologist, and Cleveland Clinic emphasizes taking eye pain seriously when it is paired with concerning symptoms (AAO, Cleveland Clinic).

Examples include pain that keeps getting worse, pain with eye movement, recurrent one-sided pain that feels different from your typical headaches, or pain with light sensitivity and blurred vision. Even if the cause turns out to be migraine, sinus-related pressure, or dry eye, same-day guidance may help rule out more urgent causes.

What common eye-related problems can cause pain behind the eye?

Some behind-the-eye pain truly starts with the eye or tissues around it, while some begins at the eye surface and gets described as a deeper ache. That is why it helps to separate common irritation-related causes from the smaller group of conditions that are more urgent.

Common, less dangerous patterns often involve dryness, strain, or surface irritation. Serious patterns are more likely to involve the inside of the eye, the optic nerve, or the tissues around the eye socket. The symptom can feel similar, but the accompanying features are different.

Can dry eye or surface irritation cause deeper discomfort?

Yes, at least in the sense that surface irritation can create discomfort that people describe as pressure, aching, or pain behind the eyes. The National Eye Institute lists burning, a dry or scratchy feeling, blurry vision, and red eyes among dry-eye symptoms (NEI). The American Optometric Association says prolonged computer, tablet, e-reader, and phone use can lead to digital eye strain, with eye discomfort and vision problems that increase with screen exposure (AOA).

That does not mean every deep ache is "just screen time." It means strain and surface irritation can make discomfort feel more diffuse than a person expects. If the sensation is worst after hours of near work, improves when you rest your eyes, and comes with dryness or blur rather than dramatic redness or vision loss, dry eye or digital eye strain becomes more plausible.

If that pattern sounds familiar, our pages on dry eye treatment and computer eye strain offer more context. Screen-heavy days can also overlap with the issues discussed in our post on digital eye strain in a screen-filled world.

Can glaucoma, optic neuritis, or orbital cellulitis cause pain behind the eye?

Yes, and these are the conditions readers should know because they change the urgency quickly.

Acute angle-closure glaucoma can cause sudden, intense eye pain along with blurry vision, a red eye, and nausea. MedlinePlus specifically says those symptoms require urgent attention because this type of glaucoma can build pressure quickly inside the eye (MedlinePlus).

Optic neuritis can cause pain behind the eye together with vision changes, and the pain often gets worse with eye movement. That combination matters because it points away from simple surface irritation and toward inflammation involving the optic nerve (Cleveland Clinic Optic Neuritis).

Orbital cellulitis is an infection in the tissues around the eye. Cleveland Clinic warns that it can cause swelling, discoloration, double vision, and even vision loss if not treated promptly (Cleveland Clinic Orbital Cellulitis). If pain behind the eye comes with fever, worsening swelling, or a bulging eye, that is not a wait-and-see situation.

Why can a headache feel like it is behind one eye?

Many people assume pain behind the eye must come from the eye itself. In reality, headache disorders are a common reason the symptom feels deep and one-sided. This is one reason eye pain and headache searches overlap so much. A person may feel convinced the source is the eye, while the more likely explanation is migraine or cluster headache.

Migraine is one of the most common examples. Cleveland Clinic describes migraine as more than a bad headache and notes that it can cause debilitating, throbbing, one-sided pain along with nausea and vision changes (Cleveland Clinic Migraine). If your pain behind one eye comes with a throbbing headache, light sensitivity, sound sensitivity, or nausea, migraine moves higher on the list.

Cluster headache is less common but often more dramatic. Cleveland Clinic explains that cluster headaches cause severe pain on one side of the head and may localize to the orbital region behind the eye or near the temple (Cleveland Clinic Cluster Headaches). Same-sided tearing, eye redness, droopy eyelid, or a stuffy nostril can help distinguish this pattern from typical eye-surface irritation.

Can migraine cause pain behind the eye?

Yes. Migraine can create one-sided pain that feels centered behind the eye, especially when the pain is throbbing and comes with nausea, fatigue, or visual changes. Movement, lights, and sounds can also make migraine symptoms worse, which is another clue that the pain may be headache-related rather than strictly eye-related (Cleveland Clinic Migraine).

That said, it is wise to be careful when a person labels behind-the-eye pain as migraine without considering the rest of the picture. If the pain is unlike past migraines, or if it comes with a red eye, major vision changes, or trouble moving the eye, the safer choice is a timely medical or eye evaluation.

Can cluster headaches cause sharp pain behind one eye?

Yes. Cluster headache is one of the classic causes of severe sharp pain behind one eye. Cleveland Clinic places the pain in the orbital region and notes that watery eye, eye redness, droopy lid, and nasal symptoms can happen on the same side as the pain (Cleveland Clinic Cluster Headaches).

That symptom mix can help explain why some people bounce between eye-related and headache-related explanations. The overlap is real. The important thing is not to assume that sharp pain behind one eye is harmless just because headache disorders can cause it. Sharp pain still needs to be weighed against the rest of the symptom cluster.

Can sinus pressure or screen use cause pain behind the eyes?

Yes. Both can create the sensation of pain or pressure behind the eyes, especially when the discomfort is dull, bilateral, and tied to congestion or long visual effort rather than sudden vision changes.

MedlinePlus explains that sinusitis means the sinuses are inflamed and that when the nose is swollen, it can block the sinuses and cause pain (MedlinePlus Sinusitis). Because the sinus spaces sit near the eyes and forehead, that pain may feel like pressure behind the eyes, across the bridge of the nose, or in the face.

Screen use fits differently. The AOA says many people experience eye discomfort and vision problems during extended digital screen use, and the discomfort tends to increase with more screen time (AOA). Dry eye can overlap with this pattern, making the eyes feel tired, blurry, irritated, or pressured (NEI).

When does sinusitis feel like pressure behind the eyes?

Sinus-related pressure is more likely when behind-the-eye discomfort comes with congestion, facial fullness, pressure that changes when you bend forward, postnasal drainage, or a recent cold. MedlinePlus explains that blocked sinuses can cause pain because swelling interferes with drainage (MedlinePlus Sinusitis).

Sinus pain can feel deceptively close to the eyes. That is one reason people often search for pressure behind the eyes instead of sinus pain. But if the discomfort is paired with red eye, sudden blurry vision, or severe nausea, you should widen the differential beyond sinus pressure and seek prompt medical advice.

How does digital eye strain fit in?

Digital eye strain is often part of the story when discomfort builds through the day, especially after sustained screen use, and eases with breaks. The AOA notes that many people experience discomfort and vision problems from extended screen time and recommends the 20-20-20 rule: every 20 minutes, look 20 feet away for 20 seconds (AOA).

Digital strain can also overlap with dry eye because people blink less during focused screen work. If you find that the symptom shows up most on workdays, after reading, or late in the day, a conversation about eye strain, tear-film stability, and visual demands may be helpful at your next comprehensive eye exam.

What should you do if you have pain behind the left eye or right eye?

The best next step depends on severity and associated symptoms, not simply whether the pain is on the left or right. Use the symptom cluster to decide how quickly you should act.

If the pain is sudden and severe, or if it comes with blurry vision, red eye, nausea, vomiting, fever, swelling, bulging, double vision, or trouble moving the eye, seek emergency care. If the symptom is persistent, recurrent, or paired with less dramatic but still unusual visual symptoms, contact an eye doctor or medical clinician the same day. If the pain is mild but keeps returning, a scheduled eye exam is still worthwhile, because recurring pain behind the eye deserves a closer look.

When symptoms are not clearly emergent, an eye exam can help determine whether the cause appears ocular, surface-related, or more consistent with a headache or sinus issue. At Classic Vision Care, a comprehensive eye exam can help identify visual or ocular findings and clarify whether referral for other medical care makes sense.

What details should you track before your appointment?

Try to notice:

• Which eye is affected, or whether both eyes are involved
• Whether the pain feels sharp, dull, throbbing, or like pressure
• Whether it worsens when you move the eye
• Whether you also have redness, blur, nausea, fever, swelling, or headache
• Whether it follows long screen use, congestion, recent illness, or contact lens wear
• Whether it is new for you or similar to past migraine or sinus episodes

Those details can help your eye doctor or medical clinician sort common causes from more urgent ones.

Which doctor should you call?

If the symptom seems eye-related, persistent, or tied to visual changes, calling an optometrist or ophthalmologist is often a good first step. The AAO advises people with unusual vision symptoms to contact an ophthalmologist, and Cleveland Clinic similarly treats eye pain as a symptom that deserves attention when red flags are present (AAO, Cleveland Clinic).

If the pattern seems more sinus-related, primary care or urgent care may be appropriate. If emergency red flags are present, go straight to urgent or emergency evaluation instead of waiting for a routine visit. When you are unsure, calling an eye care office for triage is often better than guessing.

What else do people ask about pain behind the eye?

What causes a dull pain behind the eye?

Dull pain behind the eye often matches lower-intensity causes such as migraine, sinus pressure, dry eye, or digital eye strain. Those explanations become more likely when the discomfort builds gradually and comes without major red flags. Still, dull pain that persists, keeps returning, or starts to involve blurry vision or worsening headache deserves attention.

What causes a sharp pain behind the eye?

Sharp pain behind the eye can happen with cluster headache or other headache disorders, but severe or sudden sharp pain should never be brushed off. If sharp pain arrives with red eye, nausea, blurry vision, swelling, or trouble moving the eye, it deserves urgent evaluation because more serious causes are also possible.

Why does the back of my eye hurt when I move it?

Pain that worsens when you move the eye is a meaningful clue. Cleveland Clinic notes that with optic neuritis, pain is common and usually worsens with eye movement (Cleveland Clinic Optic Neuritis). That does not mean every painful eye movement is optic neuritis, but it is a reason to seek timely care instead of assuming the problem is simple strain.

Can pressure behind the eyes come from sinus problems?

Yes. Sinus swelling can block normal drainage and create pressure or pain around the face and eyes (MedlinePlus Sinusitis). That explanation becomes more likely when the pressure shows up with congestion and facial fullness. It becomes less convincing when the symptom comes with major eye redness, sudden blurry vision, or severe nausea.

Is a headache behind the eye always migraine?

No. Migraine is common, but it is not the only explanation. Cluster headache can create severe pain behind one eye, sinus inflammation can create pressure around the eyes, and some true eye conditions can also produce pain that people describe as a headache behind the eye. The safest approach is to assess the full symptom pattern, not the location alone.

Sources

• American Academy of Ophthalmology: Pain in Eye
• Cleveland Clinic: Eye Pain
• MedlinePlus: Glaucoma
• Cleveland Clinic: Optic Neuritis
• Cleveland Clinic: Orbital Cellulitis
• Cleveland Clinic: Migraine Headaches
• Cleveland Clinic: Cluster Headaches
• MedlinePlus: Sinusitis
• National Eye Institute: Dry Eye
• American Optometric Association: Computer Vision Syndrome

This article is for informational purposes only and does not constitute medical advice. Please consult with an eye care professional for diagnosis and treatment.