Award Winning Logo, Wolda.org Best of Nation (Lithuania) 2009;

Global Vision 2020 works to bring corrective eyeglasses to the more than one billion people in the developing world who would benefit from them through a combination of methods - using self-adjustable eyeglasses that allow users to correct their own vision and using established distribution networks available through the world's aid and development organizations by providing glasses and training at little or no cost to them. Shape of frame of the glasses is very close to the original and "!" symbolize the unique idea and a principle mechanism of self-adjustable glasses.

source;
http://www.wolda.org/

logo design firm:
Studio Libre