While this is not the first Solar Powered Eyewear design, it is certainly the sleekest.  I can see that day coming up that all types of headwear are powered by the sun, eliminating the need to carry batteries and a search for a charging station.

Ray-Ban Shama Shades from Ramiro Ramirez on Vimeo.

Student work Miami Ad School San Francisco. Product Design Concept
Ray-Ban Shama Shades: Turn cool into energy
Copywriter: Ramiro Ramirez / Art Director: Sayalee Kaluskar

Opening shot from the film
Time Recovered https://vimeo.com/62235091
by Thomas Jergel https://vimeo.com/tjergel

Music by Flume-Sleepless