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 ...

To compare the macular functions of patients with excellent visual acuity after retinal detachment (RD) surgery, with the healthy fellow eye. Of 214 patients, nine patients, who were successfully ...

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 ...