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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Optom Vis Sci. 2015 Sep;92(9):e257–e263. doi: 10.1097/OPX.0000000000000648

Table 3.

The first and average NIK-BUT values to expect given a range of FBUT values.

FBUT value Range of First NIK-BUT values Range of Average NIK-BUT values
1 0.14 15.11 0.25 27.78
3 0.43 45.05 0.78 82.81
5 0.72 74.99 1.30 137.85
7 1.01 104.93 1.82 192.88
10 1.45 149.84 2.61 275.43
13 1.89 194.75 3.39 357.98
15 2.18 224.69 3.91 413.01
17 2.47 254.63 4.43 468.04
20 2.91 299.54 5.22 550.59