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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Optom Vis Sci. 2014 Jul;91(7):752–759. doi: 10.1097/OPX.0000000000000294

Table 1.

Descriptive statistics of UPS and BSS groups for initial subjects entered into the study and final subjects (subjects with poor alignment excluded) analyzed. Means sphere and astigmatism values are for the PVI/filtered eye.

Unilaterally PVI Bilaterally Sighted

Subjects (UPS) Mean ±S.D (Range) Subjects (BSS) Mean ±S.D (Range)

Initial Final Initial Final

(all subjects entered) (selected for good alignment) (all subjects entered) (selected for good alignment)
Sample Size 88 64 97 95

Age (yr) 27.5 ± 9.4 28.3 ± 9.3 28.7 ± 6.8 28.77 ± 6.87
(10 – 45) (11 – 45) (19 – 43) (19 – 43)

Gender 27 female 22 females 26 female 24 female
61 male 42 males 71 male 64 male

PVI/Filtered Eye 46 OD 31 OD 94 OD 87 OD
42 OS 33 OS 3 OS 1 OS

Spherical Equivalent (D) 0.11 ± 3.036 0.26 ± 2.65 0.10 ± 0.49 0.08 ± 0.44
(-14.31– +16.12) (-9.18 – 16.12) (-0.88 – +1.56) (-0.88 – 1.44)

J180 (D) 0.09 ± 0.58 0.05 ± 0.25 0.11 ± 0.22 0.11 ± 0.18
(-2.58 – 1.97) (-0.59 – 0.54) (-0.79 – 0.85) (-0.31 – 0.85)

J45 (D) 0.11 ± 0.42 0.05 ± 0.21 0.03 ± 0.16 0.04 ± 0.15
(-1.12 – 1.53) (-0.43 – 0.81) (-0.46 – 0.52) (-0.29 – 0.52)