Sunday, November 23, 2008

What are the potential disadvantages of this technology?

There are also a few potential disadvantages of using retinal scanning for the purpose of identification/recognition:

1. As compared to other methods of automated recognition (such as fingerprints or facial recognition) this method is expensive to implement and maintain as the equipment is costly.

2. The user has to remove his/her glasses in order to make the eye available for scanning. Some people may not be comfortable with removing their glasses and resent the fact that a sensitive part such as the eye has to be brought into close proximity of an electronic scanner.

3. Some individuals may not want to allow a machine to store information regarding their body and may consider it as a violation against their privacy.

4. The measurement accuracy of the scanner can be affected if the user suffers from a disease of the eyes such as cataracts. The measurement can also be obscured by eyelashes, lenses, reflections.



References:
The Pros and Cons of Biometrics
Retinography
Retina scans for better security

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