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Which type of scan is used to measure the layers of blood vessels in the eye?
Signature kinetics scan
Facial recognition scan
Iris scan
Retinal scan
A retinal scan is a biometric technique that uses the unique patterns on a person's retina blood vessels. It is not to be confused with another ocular-based technology, iris recognition, commonly called an "iris scanner." Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of one or both of the irises of an individual's eyes, whose complex random patterns are unique, stable, and can be seen from some distance.
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