Phoropter at NETRA Booth

A Phoropter sits at the booth of NETRA (Near Eye Tool for Refractive Assessment) which replaces this big and expensive analog device with a smart phone.

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Filename: Phoropter at NETRA Booth
Copyright: © www.ritterbin.com 2011
Image Size: 4288x2848 / 2.3MB; www.ritterbin.com; Boston Events Massachusetts Mike Ritter New England North America Photography Style Product Seaport World Trade Center TEDx Boston 2011 United States Waterfront event photography © Ritterbin Photography
Contained in galleries: Events Archive

$A Phoropter sits at the booth of NETRA (Near Eye Tool for Refractive Assessment) which replaces this big and expensive analog device with a smart phone.$