OD or O.D.
Doctor of Optometry
Latin oculus dexter (right eye)
Olive drab; olive drab cloth (1921+ Army)
An overdose of narcotics: I guess he'd taken a light OD
restoring, or setting up. (1.) Father of the prophet Azariah (2 Chr. 15:1, 8). (2.) A prophet in the time of Ahaz and Pekah (2 Chr. 28:9-15).