Iris scanning can seem very futuristic, but at the heart of the system is a simple CCD digital camera. It uses both visible and near-infrared light to take a clear, high-contrast picture of a person’s iris. With near-infrared light, a person’s pupil is very black, making it easy for the computer to isolate the pupil and iris.

When you look into an iris scanner, either the camera focuses automatically or you use a mirror or audible feedback from the system to make sure that you are positioned correctly. Usually, your eye is 3 to 10 inches from the camera. When the camera takes a picture, the computer locates:

• The center of the pupil

• The edge of the pupil

• The edge of the iris

• The eyelids and eyelashes

It then analyzes the patterns in the iris and translates them into a code.

Iris scanners are becoming more common in high-security applications because people’s eyes are so unique (the chance of mistaking one iris code for another is 1 in 10 to the 78th power [ref]. They also allow more than 200 points of reference for comparison, as opposed to 60 or 70 points in fingerprints.

How does an eye scanner work?

It then analyzes the patterns in the iris and translates them into a code. … Most of the time, people’s eyes also remain unchanged after eye surgery, and blind people can use iris scanners as long as their eyes have irises. Eyeglasses and contact lenses typically do not interfere or cause inaccurate readings.

The iris is a visible but protected structure, and it does not usually change over time, making it ideal for biometric identification. Most of the time, people’s eyes also remain unchanged after eye surgery, and blind people can use iris scanners as long as their eyes have irises. Eyeglasses and contact lenses typically do not interfere or cause inaccurate readings.

Bottomline: An Iris scanner is a security device which will scan the Iris in your eye (Part of bio metrics) to give you access to secure locations.

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Information Brought To You By Biovolt Corporation.