Measuring visual acuity and spherical refraction with smartphone screens emitting blue light Rosa María Salmerón-Campillo; Félix Tomás Varona-Gómez; Mari Ogino; Stephen Hunter; Vincent Hussey; Donny W. Suh; Rujuta Gore; Mateusz Jaskulski; Norberto López-Gil;

Clinical validation of a novel smartphone application for measuring best corrected visual acuity Mari Ogino; Rosa María Salmerón-Campillo; Stephen Hunter; Vincent Hussey; Donny Suh; Rujuta Gore; Norberto López-Gil; Matt Jaskulski; Daniel Piña-Miguelsanz;

Does visual acuity predict visual preference in progressive addition lenses? Richard Legras; Marc Vincent; Gildas Marin;