Many readers of this blog teach and preach. Here’s a helpful article on how to make eye contact with all your students, even the ones you ignore because of ocular dominance.
Here’s a taste:
Learning to sweep your gaze from side to side in a large class is part of connecting with all of your students, yet many of us will naturally favor one side. Becoming aware of your ocular dominance and working with it, rather than against it, can help you teach with greater ease and effectiveness.
David R. Swartz 