A biometric device that scans a person’s or animal’s retina in infrared for identification purposes.
- The retinal scanner above the bridge entrance scanned Eldon's and Jon's eyes and confirmed they were allowed inside the bridge.
- Please place your hand in the DNA scanner to your left, and place your eyes at the retinal scanner.
- As he moseyed around, not sure what he was looking for, he saw rows of doors down the hall each one with a retinal scanner next to it.
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