The Impact of Electronic Reading Devices on Reading Speed and Comfort in Patients with Decreased Vision

Table 1

Reading medium preferences and mean reading speed.

Medium	Mean WPM	SD	Preferred medium
Book	176.8	102.7	5%
iPad2 12PF	209.1	113.3	2%
iPad2 18PF	217.0	104.7	69%
Kindle2 12PF	177.7	94.4	1%
Kindle2 18PF	183.3	82.0	23%

Mean reading speed in words per minute (WPM), standard deviation (SD), and preferred reading medium at 12-point font (12PF) or 18-point font (18PF).