Slight irritation in the eyes could ruin the viewing for a length of time.
In the morning when you open your eyes, you find them fresh after 6-hours’ rest, but by evening you must be finding it strained. For most of the times, we use computers which add to the strain of the eyes.
Our eyes are always moist as it facilitates the blinking of eyes and keep away the dirt from hurting the eyes. In the event of any foreign material approaching the eyes, the eyes blink to keep it away.