When you are on your phone or digital device, have you ever gotten a sudden headache. A piercing headache in front of your head or around your eyes just came from nowhere and has interrupted your screen time. Usually we brush it off and continue on with our business but we never truly stop to think, why am I having this headache?
Normal vision requires a moist healthy ocular surface. This was affected by several factors which include sufficient quality of tears, a normal composition of the tear film, normal lid closure, and regular blinking.