To configure exceptions for a rule by using the Local Security Policy snap-in. 1  Click Start, type secpol.msc in the Search programs and files box, and then press ENTER. 2  If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Yes.
Dry eye syndrome (DES), also known as keratoconjunctivitis sicca (KCS), is the condition of having dry eyes. Other associated symptoms include irritation, redness, discharge, and easily fatigued eyes. Blurred vision may also occur. The symptoms can range from mild and occasional to severe and continuous.
Tear glands and tear ducts. Dry eyes are caused by a lack of adequate tears. Your tears are a complex mixture of water, fatty oils and mucus. This mixture helps make the surface of your eyes smooth and clear, and it helps protect your eyes from infection.For some people, the cause of dry eyes is decreased tear production.ear glands and tear ducts. Dry eyes are caused by a lack of adequate tears. Your tears are a complex mixture of water, fatty oils and mucus. This mixture helps make the surface of your eyes smooth and clear, and it helps protect your eyes from infection.