Health & Fitness

PD Meter: Pupil Distance Measure for iPhone

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Here is a handy app that lets you measure your pupil distance quickly on your phone. The PD Meter for iPhone is pretty simple to use. Simply take a selfie while holding a card backwards, align the green lines on the edges of the magnetic strip, place red crosshairs  over the center of each pupil, and the app does the rest.

PD Meter uses an advanced algorithm to give you accurate results. Compatible with iPhone and iPad devices. Costs under $3 at this time.

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