Viewing distance and character size in the use of smartphones across the lifespan

Each row corresponds to a specific participant while each column correspond to the following measurements: 1° column: Sex 2° column: Age 3° column: Character Size (in mm) 4° column: Reading Distance (in cm) obtained with tape meter 5° column: Correction type (1 = no correction, 2 = single vision lenses, 3 = progressive lenses, 4 = contact lenses) 6° column: NAVQ score 7° column: Size of the diagonal of the smartphone display (in cm) 8° column: Reading Distance (in cm) obtained with the Myopia App 9° column: Smartphone Release Year