Dryness of eyes is due to insufficient tear production or increased tear evaporation. Causes include aging, exposure to the sun, allergies, or inflammation, such as from infection, allergy or injury. More screen time means more dryness.
As life is moving towards digital, eye dryness is also increasing. Using computer, laptop, tablet or mobile for long period of time is a major cause of eye dryness these days. Sitting in air conditioned room (AC Rooms) is yet another reason behind dryness
Symptoms of dryness may include itchiness, burning, tearing, stinging, foreign body sensation, irritation or redness of the eyes.