Read below about black eye (of one eye), including causes and common questions. Or get a personalized analysis of your black eye (of one eye) from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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7 Potential Black Eye (of One Eye) Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.Inflamed Eyelid (Blepharitis)

    Blepharitis is an eyelid issue where the skin, lashes, or glands become inflamed from an irritant or infection.

    Treatment and preventative measures may successfully control blepharitis.

    Rarity:
    Common
    Top Symptoms:
    eye itch, sensitivity to light, eye redness, feeling of something in the eye, dry eyes
    Symptoms that never occur with inflamed eyelid (blepharitis):
    severe eye pain
    Urgency:
    Self-treatment
  2. 2.Concussion Not Needing Imaging

    A traumatic brain injury (TBI), or concussion, happens when a bump, blow, jolt, or other head injury causes damage to the brain. Every year, millions of people in the U.S. suffer brain injuries. More than half are bad enough that people must go to the hospital, and the worst injuries can lead to permanent brain damage or death.

    Most patients with mild brain injury recover within hours to days.

    Rarity:
    Common
    Top Symptoms:
    dizziness, irritability, depressed mood, difficulty concentrating, trouble sleeping
    Symptoms that always occur with concussion not needing imaging:
    head or face injury
    Symptoms that never occur with concussion not needing imaging:
    recent fall from 6 feet or higher, severe vomiting, posttraumatic amnesia over 30 minutes, slurred speech, fainting, moderate vomiting
    Urgency:
    Primary care doctor
  3. 3.Traumatic Vertebral Fracture

    Vertebral fracture is a fracture or dislocation of a vertebra that can cause bone fragments to pinch and damage the spinal nerves or spinal cord. Most spinal fractures occur from car accidents, falls, gunshot, or sports.

    Variable depending on severity (months)

    Rarity:
    Common
    Top Symptoms:
    back pain, constant back pain, severe back pain, back pain that shoots down the leg, back pain affecting the spine
    Symptoms that always occur with traumatic vertebral fracture:
    back pain
    Symptoms that never occur with traumatic vertebral fracture:
    mild back pain
    Urgency:
    Emergency medical service

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  4. 4.Bacterial Conjunctivitis

    Bacterial conjunctivitis is one of the most common eye problems. It occurs from an infection of the whites of the eye.

    With treatment, bacterial conjunctivitis resolves in a a few days.

    Rarity:
    Common
    Top Symptoms:
    sore throat, eye redness, eye itch, watery eye discharge, eye redness
    Symptoms that always occur with bacterial conjunctivitis:
    eye redness
    Urgency:
    Primary care doctor
  5. 5.Traumatic Brain Injury

    Traumatic brain injury (TBI) happens when a bump, blow, jolt, or other head injury causes damage to the brain.

    Varies depending on severity

    Rarity:
    Common
    Top Symptoms:
    new headache, irritability, clear runny nose, vision changes, general numbness
    Symptoms that always occur with traumatic brain injury:
    head injury
    Urgency:
    Emergency medical service
  6. 6.New Migraine

    Migraines are headaches of moderate to severe intensity, which happen when blood vessels in the brain swell up. They are episodic and thus can recur often. Most migraine sufferers experience increased sensitivity to sounds and/or lights and become nauseous and vomit.

    Migraine symptoms may resolve within a day or two, but the condition can come and go for a year or more. If any particular episode is unusually severe or does not respond to your customary treatments, you may want to see a doctor urgently.

    Rarity:
    Common
    Top Symptoms:
    new headache, fatigue, nausea, mild headache, headache that worsens when head moves
    Symptoms that always occur with new migraine:
    new headache
    Symptoms that never occur with new migraine:
    fever, diarrhea, productive cough, headache resulting from a head injury
    Urgency:
    Self-treatment
  7. 7.Pityriasis Rosea

    Pityriasis rosea is a common skin condition with no known cause. It is not contagious and does not usually lead to any dangerous complications. It most often appears as a larger "mother" patch which comes first, surrounded by smaller "daughter" patches which appear soon after.

    Pityriasis Rosea will go away on its own within 2-8 weeks

    Rarity:
    Rare
    Top Symptoms:
    rash, itchy rash, curved rash, rough patch with red spots around it
    Symptoms that always occur with pityriasis rosea:
    rash
    Symptoms that never occur with pityriasis rosea:
    blue-colored skin changes, black-colored skin changes, brown-colored skin changes
    Urgency:
    Self-treatment

Questions Your Doctor May Ask About Black Eye (of One Eye)

  • Q.Did you get hit in the head?
  • Q.Have you noticed any vision changes?
  • Q.Were you hit or injured anywhere on your face? If so, where?
  • Q.Did you faint?

If you've answered yes to one or more of these questions, try our black eye (of one eye) symptom checker to find out more.

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Black Eye (of One Eye) Symptom Checker Statistics

  • People who have experienced black eye (of one eye) have also experienced:

    • 5% Headache
    • 4% Swelling of the Eye Area
    • 4% Swollen Face
  • People who have experienced black eye (of one eye) had symptoms persist for:

    • 54% Less Than a Week
    • 30% Less Than a Day
    • 9% Over a Month
  • People who have experienced black eye (of one eye) were most often matched with:

    • 6% Inflamed Eyelid (Blepharitis)
    • 2% Concussion Not Needing Imaging
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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