Screen comfort
Why Can Dry Eyes Be Watery?
Learn why dryness and watering can occur together, how the tear film differs from visible tears, and how to make screen time more comfortable.
Visible tears are only part of the picture
Eyes can water even when they feel dry. Visible tears do not necessarily mean the tear film is keeping the eye surface consistently moist.
The National Eye Institute explains that blinking spreads a thin tear film over the eye. Its watery, oily, and mucus components have different roles, including keeping the surface moist, slowing evaporation, and helping the film stay on the eye. Explore the NEI explanation of how tears work.
Visible tears alone do not show how well the tear film is working.
Why irritation can bring more tears
The American Academy of Ophthalmology explains that irritation from dry eye can trigger extra tear production. Its patient guide lists watery eyes among possible dry-eye symptoms. Producing a burst of tears therefore does not necessarily mean the usual tear film is working well. Read the AAO dry-eye patient guide (PDF).
Watering can have other explanations
Dry eye is one possible explanation for watering. The NHS also describes causes such as wind or smoke, allergies, and problems with tear drainage. Those possibilities are why watering alone cannot identify what is happening. Read the NHS overview of watering eyes.
Make screen time more comfortable
For more comfortable computer use, check the airflow around your desk and choose a text size you can read without leaning closer. Our guide to dry-feeling eyes at the computer walks through these adjustments. Read about dry-feeling eyes during computer work.
Let BlinkEasy provide reminders to pause and blink consciously while you focus on your work.