Use preservative-free artificial tears
Apply a cold compress for 5 to 10 minutes
Remove contact lenses if you wear them
Avoid rubbing your eyes
Rest your eyes and reduce screen time
Flush your eyes with sterile saline if irritated
Use allergy eye drops if allergies are the cause
Avoid smoke, dust, and other irritants
Stay hydrated
Get enough sleep
Use a humidifier if the air is dry
Seek medical care if redness is severe, painful, or lasts more than a day or two