Red, itchy eyes are a common complaint among California residents—especially during allergy season. But how do you know if your symptoms are due to seasonal allergies or something more serious like an eye infection? Knowing the difference is key to protecting your vision and getting the right treatment.
What Causes Eye Allergies?
Eye allergies, or allergic conjunctivitis, are caused by the body’s immune response to environmental triggers like:
- Pollen (especially in spring and fall)
- Pet dander
- Dust mites
- Mold spores
Symptoms often include:
- Itchy, watery eyes
- Redness
- Swollen eyelids
- Sensitivity to light
What Makes Eye Infections Different?
Eye infections involve bacteria or viruses and often present more aggressively. Symptoms may include:
- Thick yellow or green discharge
- Crusting around the eyelids
- Pain or burning sensation
- Blurred vision
- One eye being more affected than the other
Key Differences at a Glance
| Symptom | Allergies | Infections |
|---|---|---|
| Itching | Common | Rare |
| Discharge | Watery | Thick/colored |
| Affected Eye(s) | Usually both | Often one |
| Fever | Uncommon | May occur |
| Contagious | No | Yes (viral/bacterial) |