It looks like your eyes are getting dry. Exhaled air that leaks out of an improperly fitting mask can cause dryness of eyes.
Next Steps
Use a properly fitting mask so that air doesn't escape out towards your eye. While using computer, blink your eyes in between voluntarily to avoid eye strain. Take a break after 20 minutes of continuously looking at the screen. You can use eco tears eye drops. But drops are only a temporary solution.
Health Tips
Drink adequate water and stay hydrated. Take opinion from an ophthalmologist if symptoms persist or if you develop pain or blurring of vision