A sun visor glare reducing extension for incorporation within a vehicle's sun visor is disclosed having a three sided rigid frame capable of being incorporated within a vehicle's sun visor. The frame has a back frame member pivotally affixed to a pair of generally parallel leg segments at each end. Each leg segment forms a "U" shaped retaining channel. A glare shield slidably retained within the "U" shaped retaining channels, and is deployable in a linear manner from the edge of an otherwise conventional sun visor.