The disclosure provides a system that may acquire, via an image sensor, an image of an eye of a person； may determine a location of an iris of the eye from the image； may determine a position of a suction ring from the image； may display, via a display, the image； may display, via the display, a first graphic overlay on the image that indicates the location of the iris of the eye； may display, via the display, a second graphic overlay on the image that indicates the position of the suction ring； may determine multiple iris structures from the image； may determine an orientation of the eye based at least on the multiple iris structures from the image； and may display, via the display, information that indicates the orientation of the eye.
