the.com/eyestrain
Your eyeballs filing a formal complaint after a 12-hour staring contest with pixels.
means The tired, achy, dry-eyed discomfort your eyes develop from prolonged focusing, especially on screens.
from Plain English compound of eye and strain, the latter from Latin stringere, to draw tight — exactly what your overworked focusing muscles feel.
Blink deficitScreens cut blinking by up to two-thirds.
Not damageUncomfortable but doesn't permanently harm vision.
20-20-20Every 20 minutes, eye 20 feet away, 20 seconds.