CAPTURING THE PATIENT’S EYE IMAGE Watching the monitor, position the image until the pupil is centered in the centering box. The positioning is done with the joystick by: 1. Moving the joystick left or right to move the image left or right 2. Twist the joystick counter-clockwise to move the image up and clockwise to move it down. 3. Move the joystick forward and backward to focus the image. 4. Press the button of top of the joystick to capture an image.