Smartphone-based visual acuity measurement for screening and clinical assessment
Objective To design and validate a smartphone-based visual acuity test that is not
dependent on familiarity with symbols or letters commonly used in the English language.
Design, Setting, and Participants Validation study conducted from December 11, 2013, to
March 4, 2014, comparing results from smartphone-based Peek Acuity to Snellen acuity
(clinical normal) charts and the Early Treatment Diabetic Retinopathy Study (ETDRS)
logMAR chart (reference standard). This study was nested within the 6-year follow-up of the …
dependent on familiarity with symbols or letters commonly used in the English language.
Design, Setting, and Participants Validation study conducted from December 11, 2013, to
March 4, 2014, comparing results from smartphone-based Peek Acuity to Snellen acuity
(clinical normal) charts and the Early Treatment Diabetic Retinopathy Study (ETDRS)
logMAR chart (reference standard). This study was nested within the 6-year follow-up of the …
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