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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Optom Vis Sci. 2010 Dec;87(12):E985–1002. doi: 10.1097/OPX.0b013e3181fef1aa

TABLE 1.

Average and standard deviation of clinical measurements before and after vision therapy with the change in parameters

Variable Before vision
therapy		 After vision
therapy		 Absolute value of
change in
parameter
NPC (cm) 13.4 ± 5.6 8.l ± 2.3 5.3 ± 3.4
RPC (cm) 20.8 ± 6.5 11.4 ± 2.2 9.4 ± 5.3
PFV at near using a BO prism bar (break) (Δ) 14 ± 4.5 40 ± 4.1 26 ± 6.2
Negative fusional vergence at near using a BI prism
    bar (break) (Δ)		 13.9 ± 1.7 12.0 ± 3.7 1.9 ± 2.6
Near dissociated phoria (all subjects are exophores) (Δ) 9.0 ± 1.4 3.3 ± 1.9 5.8 ± 2.1
CISS 26 ± 7 10 ± 5 16 ± 10