This can be attributed to the fact that when looking at the computer, the eyelids are in a static straight position and blinking reduces to 7 per minute from 22 per minute in a normal condition.
Looking at a computer typically means looking straight ahead hence more of our eye surface is exposed, and the tear film can evaporate causing a dry, burning and gritty sensation (Torrey 2004).
Impact of Fitness Program: Musculoskeletal