23. Saber Abdi, Rune Brautaset, Agneta Rydberg, Tony Pansell,The influence of accommodative insuffuciency in Reading, Clin Exp Optom 2007; 90: 1:36-43.

23. Saber Abdi, Rune Brautaset, Agneta Rydberg, Tony Pansell,The influence of accommodative insuffuciency in Reading, Clin Exp Optom 2007; 90: 1:36-43.