Anstice, Nicola S. Jacobs, Robert J. Simkin, Samantha K. Thomson, Melissa Thompson, Benjamin Collins, Andrew V. Mean (± standard deviation) of VA measurements for adults (white) and children (light grey) in focused conditions and defocused (adults black and children dark grey) conditions. <p>Mean (± standard deviation) of VA measurements for adults (white) and children (light grey) in focused conditions and defocused (adults black and children dark grey) conditions.</p> Sloan letters;Kay Picture optotypes;shape cues aid;Diabetic Retinopathy Study;Lea Symbols;Crowded Keeler logMAR;chart design features;uncrowded Landolt C VA measurements;reference Landolt C task;Kay Pictures optotypes;Conclusion Kay Pictures over-estimated VA;ETDRS;DS;25 adults;Keeler logMAR charts;Results Crowded Kay Pictures;HOTV;VA measurements;Crowded Kay Pictures;children Purpose Children 2017-02-02
    https://plos.figshare.com/articles/figure/Mean_standard_deviation_of_VA_measurements_for_adults_white_and_children_light_grey_in_focused_conditions_and_defocused_adults_black_and_children_dark_grey_conditions_/4612009
10.1371/journal.pone.0170839.g003