Here is a smart wearable camera that attaches to your glasses and lets you capture shots with a wink. Blincam can distinguish between a strong wink and a natural blink. It has Bluetooth, so you can download photos to your smartphone.
More gadgets like this: here
The Blincam has an eye movement sensor, battery, and Micro USB port. No need to use your hands to capture shots. More info is available here.
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