Eyeball detection device, pupil detection method and iris identification method

The invention provides an eyeball detection device, a pupil detection method and an iris identification method. The eyeball detection device comprises an optical component, an image sensor and a calculation unit, wherein the optical component is used for providing a plurality paths of incident light to an eyeball and used for forming a plurality of bright points on the eyeball; at least a part of the bright points are positioned near the pupil of the eyeball; the image sensor is used for taking eyeball images; the eyeball images comprise images of the bright points; the calculation unit is used for analyzing the gray level values of the images of the eyeball, used for obtaining the distribution positions of the bright points according to the gray level values of the images of the eyeball, and used for judging the position of the pupil according to the distribution positions of the bright points.