How does retinal scan works?

It is used almost exclusively in peak safety applications, retinal scanning uses low -intensity light source and delicate sensor to scan the blood vessel pattern on the back of the retina, a pattern unique to each individual. Although it was known at the age of 30, when every human eyeball had unique qualities, only in 1984 the first retina scanner was made available for commercial use. It was manufactured by Eyedentify, a company created in 1976, still the primary manufacturer of these devices.

During the scan, the user must remove glasses, stare at a specific point and hold the head for 10-15 seconds to complete the scan. This type of scanning is very difficult to pretend, because there is no technology that would allow the counterfeiting of human retina, and the retinal of the deceased person decomposes too quickly to be used to fraudulently circumvent such scanning.Of course, the most popular form of biometry today is a fingerprint, although the errors for fingerprint identification are sometimes up to 1 in 500. The retinal scan on the other side boasts a measure of errors 1 out of 10 000 000. His close cousin, the scanning of the iris, is slightly less accurate and maintains a measure of mistakes of approximately 1 out of 131,000.

traditionally used to block physical gates, such as those that guard the cores of power plants or military installations, have recently been used by retina scanning to protect critical computers and their data. The Scan retina sells for only $ 220, so it is affordable to anyone who wants to maintain a high level of security. In addition, it is probably the most accurate biometric available, which far exceeds the fingerprint in reliability and accuracy.