If you feel the pressure of everyone looking at you as the presenter then look at people’s foreheads. Even from one metre away, it will appear to them (the audience) that you are looking them in the eye.
Instead of just moving your head to make eye contact try occasionally angling your body in the direction you are looking. This greatly intensifies the quality of your eye contact to the audience.
Don’t look at your PowerPoint slides on the projected screen. You should be looking at your computer screen which is in front of you. This means you only drop your eyes a little to see the visual aid as opposed to turning your back and breaking all eye contact.
Try to keep your gestures and body language around chest height. Most presenters gesture from around the hip area. This will allow the audience to maintain eye contact without being distracted by the moving gestures made by your hands.
When answering a question from the floor; Have eye contact with the questioner when you start the answer, re-establish eye contact around the room as you progress with