I have never heard that word used in that context ........

1. 1.

   the scientific study of sight and the behaviour of light, or the properties of transmission and deflection of other forms of radiation.

    
2. 2.

   North American

   (typically in a political context) the way in which an event or course of action is perceived by the public.

   "the issue itself is secondary to the optics of the Democrats opposing this administration in a high-profile way"