Answer:
The correct answer is - iris scanning.
Explanation:
Iris scanning is the biometric process of using visible and near IR light to take a high contrast image of the iris of an individual. It is one of the biometric technology that include same category as fingerprinting and face recognition.
This technology is more equally accurate and much less susceptible to damage or disease not like other scanners as the they can change because of disease or damage.
Thus, the correct answer is - iris scanner.
