Insert for augmented reality viewing device

A visual perception device comprising:

• first and second viewing components;
• a viewing device frame that includes at least a viewing device frame bridge connecting the first and second viewing components to one another;
• first and second corrective components;
• an insert frame that includes at least an insert frame bridge connecting the first and second corrective components to one another to form an insert;
• and
• an attachment system that includes a nose piece, the nose piece and the viewing device frame bridge having first and second inter-engaging locking formations respectively that are connectable to one another to mount the nose piece to the viewing device frame bridge, the nose piece having an upper surface contacting the insert frame bridge to hold the insert frame bridge in place against the viewing device frame bridge.