Here are some common causes of eye irritation:

1. Dry Eyes
   • Cause: Reduced tear production or increased tear evaporation.
   • Symptoms: Stinging, burning, and a gritty sensation.
   • Treatment: Artificial tears, lubricating eye drops, and lifestyle changes such as using a humidifier.
2. Allergies
   • Cause: Pollen, dust mites, pet dander, and other allergens.
   • Symptoms: Redness, itching, and watery eyes.
   • Treatment: Antihistamine eye drops, avoiding allergens, and using air purifiers.
3. Infections
   • Cause: Bacterial, viral, or fungal infections.
   • Symptoms: Redness, discharge, pain, and blurred vision.
   • Treatment: Antibiotic, antiviral, or antifungal medications prescribed by a doctor.
4. Foreign Bodies
   • Cause: Dust, sand, or debris getting into the eye.
   • Symptoms: Pain, tearing, and discomfort.
   • Treatment: Flushing the eye with saline solution and seeking medical attention if the foreign body is not removed.
5. Contact Lens Use
   • Cause: Overwearing lenses, improper cleaning, or an allergic reaction to the lens material.
   • Symptoms: Redness, discomfort, and blurred vision.
   • Treatment: Proper lens hygiene, reducing wear time, and switching to a different type of lens if necessary.
6. Eye Strain
   • Cause: Prolonged use of digital devices or reading without breaks.
   • Symptoms: Tired eyes, headaches, and blurred vision.
   • Treatment: Taking regular breaks (20-20-20 rule), adjusting screen brightness, and using blue light filters.