Figure 1.

Printed MNREAD chart. (A) Front and back of the MNREAD acuity chart printed in black-on-white (regular polarity); (B) Example MNREAD curve showing the four MNREAD parameters—Maximum Reading Speed (MRS—red star) is 225 words/min, with Critical Print Size (CPS—green diamond), and Reading Acuity (RA—blue triangle) of 0.0 and −0.2 logMAR, respectively. The Reading Accessibility Index (ACC) is 1.12.