In this video tutorial, viewers learn how to use the Tile Visuals tool with the Voice Over application on a Mac OS X computer. This feature will dim the screen so that the user will be able to go over the Voice Over commands. To enable Voice Over, press the Command and F5 key. To tile the visuals, press the Command, Option and F10 key. Now when users navigate through the screen, only the contents over the Voice Over cursor can be visible. To return to the normal view, press the Control, Option and F10 key once again. This video will benefit those viewers who use a Mac computer and would like learn how to use the tile visuals tool in Voice Over because they have visual impairments.