Optician Sans font by Simen Schikulski

Eye Am Confused Optical Illusions font by www.davidpustansky.com

Woodcutter Optical Army font by Woodcutter

Opticon Loose font by Barry Stock

OpTic font by Neale Davidson

Optic Nerd font by Xerographer Fonts

Optical Fiber font by weknow

Lower-Optic Fibercase font by Ekloff Design

Coptic Eyes Coptic font by Anita Sun

Opticon One font by Barry Stock