Skip to main content
. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: J Cataract Refract Surg. 2011 Apr;37(4):649–654. doi: 10.1016/j.jcrs.2010.10.047

Table 2.

Within-grader flap thickness measurement repeatability, same image.*

Distance from Center
Measurement (μm) −2.5 mm −1.5 mm −0.5 mm +0.5 mm +1.5 mm +2.5 mm
Horizontal averaged frame 3.6 4.1 4.2 4.2 3.3 3.8
Horizontal single frame 5.6 5.0 6.2 5.5 6.0 6.4
Vertical single Frame 6.0 4.5 5.3 4.7 3.4 5.1
Different Images
Horizontal Single Frame 5.8 7.4 5.9 6.5 6.4 5.3
Vertical Single Frame 6.5 4.7 4.9 6.0 7.2 6.2
*

The same image was measured by the same investigator 1 month later.