The dry eyes are caused because of the lack of the tear production .If there is adequate tear production then there is no threat of dry eyes . That is because the moisture that is required to maintain correct vision is present in the eyes .Tear production doesn’t mean the tears which we refer to crying but a combination of water, mucus, proteins, oils, and antibodies. Learn more about dry eyes and the role played by tears to keep the dry eyes in tact from the article. This article covers What Is Dry Eye? What Are Tears? What Are The Causes Of Dry Eye? Symptoms of Dry Eye, Surgical and Non-Surgical Options Best Relief for Dry Eyes Although it is uncommon, dry eye can be a very uncomfortable situation to have to deal with. The causes of dry eyes can be biological as well as environmental. Eye drops for dry eyes are an obvious first line defense to help relieve symptoms, but there are also many other treatments available. Dry eye affects less than 200,000 Americans and is more likely to affect people over the age of 65. Although it is very rare, severe dry eyes can be very painful, and may require surgical treatment.