A decrease in tear production or any alteration in the quality of tears produced leads to poor lubrication of the eye surface causing dry eye. It is the most common cause of irritation, foreign body sensation, and watering eyes.
Prolonged use of computers is the common cause of dry eye disorder. Environmental conditions and medications can also result in dry eye. Other causes are decreased sensitivity of the cornea, post scarring, ulceration or surgery, and contact lens wear.
Dry eye can be treated either medically or surgically. Medical Treatment: Artificial tears are the most common forms of treatment for dry eyes. These eye drops are similar to your own tears. They lubricate the eyes and help maintain moisture. Surgical Treatment: Conserving your tears with punctal occlusion- which can be done on the temporary or permanent basis. It keeps the eyes moist by blocking the tear duct.