Smartphone-based Snellen visual acuity charts has become popularized; however, their accuracy has not been established. This study aimed to evaluate the equivalence of a smartphone-based visual acuity ...

The impression exists that picture acuity scores may overestimate function when subjects are switched to letter charts. This has not been systematically investigated. The aims of this study were to ...

A new study shows potential for eye tests to be conducted easily and affordably using a smartphone app. An app to test eyesight easily and affordably using a smartphone is as accurate as traditional ...

Since the publication of our first article ("Vision Testing: A Blind Spot in Occupational Safety," February 2009, page 47), we have been asked many questions, and most people wanted references to the ...

Joel Pirela of Miami based studio Blue Ant Studio has ingeniously reinterpreted the traditional ophthalmology exam to suit the refined tastes of designers. More after the break. The traditional ...

WILMINGTON -- Do you remember in school lining up with your class to take a vision test using the Snelling Chart -- big letters at the top, smaller letters in bottom rows? Something new has come to ...