Retinal Scan

This article describe about Retinal Scan, which is performed by casting an unperceived beam of low-energy infrared light into a person’s eye as they look through the scanner’s eyepiece. It is a biometric technique that uses the unique patterns on a person’s retina blood vessels. Retinal scanners are typically used for authentication and identification purposes. In recent years, retinal scanning has become more commercially popular. Retinal scanning also has medical application.