The lamp of the body is the eye. If your eye is sound, your whole body will be filled with light: Matthew 6:22 A sound eye is a natural eye: not one that lectors use deliberately to try to connect with the assembly. When our eye contact is forced, its pretense easily shows.
Our love and hunger for the Scriptures, our faith in Christ's presence in them, and our conscious preparation before we approach the ambo can't be acted out.