To further create the look of sunshades versus glasses we can take the following steps:
Select one of the eyeglasses in the Content Manager or by direct selection.
Select glass under Select Material in the right side panel.
Change the three colors to black in the Material & Texture Settings section of the right menu.
Use the Paint Bucket tool to paint the black color onto the lens of the other characters glasses:
What just happened?
We used the color selectors for the diffuse and ambient channels to change the glasses into sunshades for our characters. These can also be tinted to different colors.