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