What does recording iris for driver's license mean?

[OCatherine]

Iris is a more advanced identity verification system, and recording iris for driver's license can prevent cheating. The following is the relevant introduction about iris: 1. Introduction: The iris is a flat circular ring-shaped film in the middle layer of the eyeball wall, located between the cornea and the lens, and can be seen through the cornea, commonly known as the "black eyeball". There is a small round hole in the center called the pupil, through which light enters the eye. The iris is mainly composed of connective tissue, containing pigment, blood vessels, and smooth muscle. The color of the iris varies depending on the amount and distribution of pigment, generally including black, blue, gray, and brown. 2. Precautions: During iris registration and examination verification, naked eye collection is required, and wearing contact lenses, colored contacts, or glasses is prohibited; during registration and verification, please keep your eyes close to the distance measurement, open your eyes wide, and align with the center of the device's bright spot; when the registration process begins, try to open your eyes as wide as possible to collect high-quality iris identity information.