Eye Pain
Know urgent red flags (vision loss, chemical splashes, severe headache/halos), common causes, safe home steps, medication cautions, and what eye doctors may do.
What eye pain can mean
Overview Eye pain ranges from surface irritation to deep, aching pain. Common causes include dry eye, corneal abrasion (scratch), conjunctivitis, eyelid problems (stye/blepharitis), and sinus/headache referred pain. Pain with vision changes, light sensitivity, halos, nausea, or trauma needs urgent attention.
Describe: sudden vs gradual, one or both eyes, vision changes, discharge, contact lens use, injury/foreign body, headache, nausea, and light sensitivity.
When to call emergency
- Sudden vision loss, new dense floaters/flashes, or a dark curtain over vision
- Chemical splash to the eye—immediately irrigate with clean water for 15+ minutes then seek care
- Severe eye pain with headache, halos around lights, nausea/vomiting (possible acute angle-closure glaucoma)
- High-speed or penetrating eye injury, metal/grit in eye, or post-surgery pain
- Eye pain with fever and swelling around the eye or inability to move the eye (orbital cellulitis)
- Shingles rash on forehead/eyelid or tip of nose with eye pain (urgent ophthalmology)
- Red, painful eye in a contact lens wearer—risk of corneal infection
These can indicate retinal problems, glaucoma attack, corneal ulcer, serious infection, or vision-threatening injury.
Common causes & clues
| Condition | Typical features | Clues |
|---|---|---|
| Dry eye / keratoconjunctivitis sicca | Burning, gritty feeling, fluctuating vision, worse with screens/wind | Improves with artificial tears, humid air, blinking breaks |
| Corneal abrasion / foreign body | Sharp pain, tearing, light sensitivity; feels like sand in eye | History of rubbing, yardwork, or lens use; relief with anesthetic at clinic |
| Conjunctivitis | Redness, discharge (watery or sticky), mild irritation | Allergic: itchy/watery; viral: watery + URI; bacterial: thicker discharge |
| Blepharitis / stye (hordeolum) | Eyelid tenderness, crusting, localized painful bump | Often recurrent; better with warm compress and lid hygiene |
| Uveitis (iritis) | Deep ache, light sensitivity, blurred vision | Often needs steroid drops under ophthalmology guidance |
| Acute angle-closure glaucoma | Severe pain, halos, headache, nausea, mid-dilated pupil | Emergency treatment to reduce eye pressure |
| Sinus / cluster headache | Pain around/behind eye, tearing, nasal symptoms | Neurology/ENT input if recurrent or severe |
| Shingles (ophthalmic) | Burning pain → blistery rash on forehead/eyelid | Early antivirals; eye exam to prevent complications |
Self-care that’s usually safe
If no red flags
- Use preservative-free artificial tears 3–6×/day for dryness/irritation
- Warm compress 5–10 minutes for stye/blepharitis; clean lids with diluted baby shampoo or lid wipes
- Follow the 20–20–20 rule for screens (every 20 minutes, look 20 feet away for 20 seconds)
- Wear sunglasses outdoors; use a humidifier and avoid direct fan/AC on eyes
- If you suspect a foreign body, rinse with clean water/saline—do not rub
Medication & drop cautions
- Avoid frequent use of “redness reliever” drops—can worsen redness (rebound)
- Contact lens wearers: switch to glasses until cleared; never sleep in lenses unless prescribed
- Share a full list of meds (antihistamines, diuretics, antidepressants can worsen dry eye)
Comfort & prevention tips
- Keep hands and lenses clean; replace lens cases every 3 months
- Use protective eyewear for yardwork/DIY; avoid rubbing eyes
- Adjust lighting and font size to reduce eye strain
What clinicians may do
| Step | Purpose | Examples |
|---|---|---|
| Vision & pupil check | Baseline vision & neurologic screen | Snellen chart, pupil reactions, visual fields |
| Slit-lamp exam | Surface & anterior eye assessment | Look for abrasions, ulcers, inflammation; fluorescein staining |
| Eye pressure (tonometry) | Rule out glaucoma attack | Measured intraocular pressure |
| Dilation & fundus exam | View retina/optic nerve | Retinal tears, detachment, optic neuritis signs |
| Imaging / labs | Complications or atypical cases | Orbital CT for cellulitis; labs for autoimmune uveitis; corneal cultures if ulcers |
Treatment targets the cause—lubricants and lid care; antibiotics/antivirals for infections; pressure-lowering meds for glaucoma; anti-inflammatories under eye-specialist guidance.
What to track at home
- Onset time, which eye, and pain severity (0–10)
- Triggers: screens, wind, contact lenses, makeup, yardwork
- Vision changes, light sensitivity, discharge color, fever
- All eye drops/meds used and response; contact lens wear schedule
For caregivers
Support with dignity
- Help with timely appointments for new vision changes or severe pain
- Assist with eye-drop schedules and hygiene (hand washing, drop spacing)
- Encourage protective eyewear for chores and consistent glasses use during flares
Quick answers
Is eye pain with halos an emergency?
Yes—especially with headache and nausea. This may be acute angle-closure glaucoma; seek emergency care.
Can dry eye really cause pain?
It can cause burning, gritty discomfort, and fluctuating vision. Lubricating drops, warm compresses, and blinking breaks often help.
Should I use leftover antibiotic or steroid drops?
No. Some conditions worsen with steroids, and the wrong antibiotic can delay care. Get an eye exam first.
When can I wear contacts again?
Wait until pain/redness fully resolve and a clinician clears you. Always replace/open new lenses after infections.
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