Blink regularly and take breaks from screens
Use preservative-free artificial tears if eyes are dry
Avoid rubbing your eyes
Remove contact lenses if they irritate your eyes
Rinse out dust, smoke, or allergens with clean water or saline
Use a humidifier if the air is dry
Wear sunglasses outdoors to reduce wind and light irritation
Treat allergies with appropriate over-the-counter medication if needed
Clean eyelids gently if they are crusted or irritated
Avoid eye makeup or products that may cause irritation
Check for blocked tear ducts if watering is persistent
See an eye doctor if watering is severe, painful, red, or affects vision