Flom MC.New concepts on visual acuity. Optometry Weekly1966; 57: 63-68.
2.
Bailey IL, Lovie J.The design and use of a new near-vision chart. Am J. Opt. & Phys. Opt.1980; 57: 740-753.
3.
Legge GE, Pelli DG, Rubun GS, Schlske MM.Psychophysics of reading I: Normal vision. Vis. Res.1985; 25: 239-252.
4.
Whittaker SG, Lovie-Ketchen JE.Visual requirements for reading. Opt. Vis Sci.1993; 70: 54-65.
5.
Bailey IL, Clear RD, Berman SM.Size as a determination of reading speed. J. Illum. Eng. Soc.1993; 22:102-117.
6.
Lovie-Kitchen JE, Oliver NJ, Bruce A, Leiginton MS, Leiginton WK.The effect of print size on reading rate for adults and children. Clinical Exp Opt.1994; 77: 2-7.
7.
Lueck AH, Bailey IL, Gree R, Dernbusch H.Magnification needs of students with low vision. In Stuen C, Anditi A, Horowitz A, Lang MA, Roserthal B, Seidman K. Editors. Vision rehabilitation in the 21st century. Dowington, PASwets & Zeitlinger, 2000: 311-313.