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It’s not just carrots, eating grapes is good for your eyes as well, a new study reveals. Just a couple of handfuls of grapes a day for four months was shown to improve key markers of...
Retinal scan. A retinal scan is a biometric technique that uses unique patterns on a person's retina blood vessels. It is not to be confused with other ocular-based technologies: iris recognition, commonly called an "iris scan", and eye vein verification that uses scleral veins.