The device uses a Blink app shown on the smartphone's display to shine red and green beams of light at your eyes. It replaces an autorefractor for measuring your level of focusing error. The Blink's first eye exam tool includes a black device that looks like a View-Master with a smartphone bolted to it. The home visit for eye tests will cost $75 (Rs. If the app determines you need an eyeglass prescription, the technician will send results of the screening to an optometrist, who will send you a prescription within 24 hours. "The Blink screening process takes about 20 minutes," said David Schafran, co-founder and chief product officer for Blink.
It is administered by a technician who uses a trio of handheld devices that take the place of the autorefractor, lensmeter and phoropter equipment, MIT Technology Review reported. The eye exam tools are part of the app called ' Blink'. A start-up has launched the world's first smartphone-assisted eye tools that can check your eyes in the comfort of your home and nullify the bulky machines visible in an ophthalmologist's office.
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