1. A method comprising: determining a gaze location within an image based upon a determination that a user is staring at the gaze location; determining a region of interest within the image based upon the gaze location; determining pixel values for pixels within the region of interest; establishing, with processing circuitry, window and level values based upon the pixel values for pixels within the region of interest; and applying window leveling based upon the window and level values established based upon the pixel values for pixels within the region of interest.