%0 Journal Article %T eHealth tools for the self-testing of visual acuity: a scoping review %A Annie Pye %A Christine Dickinson %A Iracema Leroi %A Malcolm Neil %A Piers Dawes %A Tariq Aslam %A Wai Kent Yeung %J Archive of "NPJ Digital Medicine". %D 2019 %R 10.1038/s41746-019-0154-5 %K Refractive errors %K Vision disorders %K Diagnosis %K Visual system %K Neuroscience %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6706420/