The term eye strain describes a group of symptoms which occur in some people after extended use of the eyes.
Extended computer use or mobile
inadequate or excessive lighting may cause eye strain, but there are no permanent consequences of this.
Common precipitating factors for the onset of eye strain include extended use of a computer or video monitor, straining to see in very dim
light, and exposure to extreme brightness or glare. Many people will blink less than normal when performing extended visual tasks. This decreased blinking may lead to dryness of the ocular surface and symptoms of dry eyes.