Overview
It's rare but serious and usually starts within days after eye surgery or an eye injection.
Symptoms
Common signs:
- Eye pain and vision loss after surgery
- Painful red eye with light sensitivity
Less common
- Redness
When to get medical care
Call 911Call 911 now for: eye pain and vision loss after surgery.
Get care todayMilder symptoms that could be early signs.
See a doctor soonQuestions about lowering your risk.
Causes
Infection.
Does it spread or run in families?
- The illness itself usually isn't passed to others, but some germs that cause it can spread.
- Washing hands often helps.
Diagnosis
This is diagnosed in the emergency room or hospital.
The exam
A physical exam.
Tests
Tests, if needed:
- Eye exam:
Treatment
Emergency care is needed. While waiting for help:
Self-care
- Call your eye surgeon now
- Use eye drops as prescribed
Prevention
To lower your risk or prevent problems:
- Use eye drops as prescribed after surgery
- Follow eye surgery instructions
Which doctor treats this
- Emergency doctors treat it first, in the ER.
- They may send you to an ophthalmologist (eye doctor and surgeon) or an optometrist.
Back to school, work, or sports
- Recovery time varies. Ask your care team when you can drive, lift, work, and exercise.
Children, pregnancy, and older adults
- After cataract surgery: Watch for pain and vision loss.
- People after eye surgery: Higher risk.
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- Some infections can pass to the baby during pregnancy or birth. Tell your provider if you've been exposed.
- Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
- Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
- Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.
For caregivers
- Go to visits when you can and take notes.
- Keep a list of medicines, allergies, and doctors in one place.
- Learn the warning signs that need fast care.
- Learn CPR. Many hospitals and the Red Cross offer classes.
- Take breaks and ask for help. Caregivers need care too.
Outlook
Fast treatment saves vision.
Getting ready for your visit
Bring a list of your symptoms and medicines.
What to bring
- A list of your medicines and supplements
- Notes on when symptoms started and what makes them better or worse
Questions to ask
- What follow-up care do I need?
- How can I prevent this from happening again?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Endophthalmitis (infection inside the eye)
Sources
Last updated 2026-11-12.