In classic artistic depictions causing the Venus effect, where is the subject's line of sight in the mirror usually directed?

Answer

Toward the observer or the painter

Geometrical analysis shows that in these artistic compositions, the subject's gaze reflected in the mirror is typically aimed toward the person observing the scene or the artist who created it.

In classic artistic depictions causing the Venus effect, where is the subject's line of sight in the mirror usually directed?
Venüsplaneteffect