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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Optom Vis Sci. 2010 Aug;87(8):593–603. doi: 10.1097/OPX.0b013e3181e61bad

Table 2.

Results from pair-wise comparisons for each outcome measure at baseline and the 4-, 8-, and 12- week examinations, by treatment group.

Treatment
group
Baseline to Week 4 Week 4 to Week 8 Week 8 to Week 12
Change p-value Change p-value Change p-value
CI Symptom Survey score
HBPP 2.3 0.045 0.5 0.95 3.6 <0.001
HBCVAT+ 1.9 0.11 2.9 0.007 1.9 0.038
OBVAT 4.5 <0.001 4.4 <0.001 5.8 <0.001
OBPT 2.0 0.10 2.9 0.007 3.0 <0.001

Near point of convergence break (cm)
HBPP 4.4 <0.001 1.8 0.030 0.7 0.69
HBCVAT+ 4.4 <0.001 1.8 0.031 1.5 0.025
OBVAT 6.5 <0.001 1.7 0.020 1.3 0.024
OBPT 2.3 0.062 1.1 0.27 0.6 0.60

Positive fusional vergence (Δ)
HBPP 4.1 0.004 1.9 0.37 1.9 0.26
HBCVAT+ 8.9 <0.001 1.8 0.37 1.5 0.46
OBVAT 11.2 <0.001 4.5 <0.001 3.6 0.002
OBPT 3.9 0.005 2.2 0.19 0.8 0.87

Adjusted for multiple comparisons