free tickets for non profit organizations Sunglasses allow better vision in bright daylight, and may protect one's eyes against damage from high levels of ultraviolet light. Typical sunglasses are darkened for protection against bright light or glare; some specialized glasses are clear in dark or indoor conditions, but turn into sunglasses when in bright light. Most sunglasses do not have corrective power in the lenses; however, special prescription sunglasses can be ordered. Specialized glasses may be used for viewing specific visual information (such as stereoscopy) or 3D glasses for viewing three-dimensional movies. Sometimes glasses with no corrective power in the lenses are worn simply for aesthetic or fashion purposes. Even with glasses used for vision correction, a wide range of designs are available for fashion purposes, using plastic, wire, and other materials. Planning is not only the premise and criterion of organization, command and coordination, but also closely related to the management and control activities. The plan sets the data, scales and standards for various complex management activities, which not only provide direction for control, but also provide a basis for controlling activities. Experience tells us that unplanned activities are uncontrollable and uncontrollable. Because the control itself is to correct the deviation of the deviation plan, to keep the management activities consistent with the objectives. At present, countries around the world is frequent use of interest rate leverage to implement macro-control, interest rate policy has become a central bank to control money supply and demand, and a major means of regulating economic, interest rate policy in the position in the central bank's monetary policy more and more important. 5. Accounting earnings depend on the reasonable proportion of income and expenses during the period. Costs that are not associated with the current period should be incurred as assets to be transferred for later periods. Until then, depositors had not even seen a rise. That does not stop Mr Draghi from warning that inflation is still being affected by a sluggish wage growth, which is now much slower than the "post-recession recovery". The international monetary fund (IMF) being worried, said discuss decomposition "disorderly exit may lead to the European Union, asset prices fall sharply", and is yet to be completed task list "is very long, so the time is ambitious".