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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Optom Vis Sci. 2014 Aug;91(8):1000–1011. doi: 10.1097/OPX.0000000000000314

Table 2.

Correlations between age, presence of a scotoma, vision measures, measures from the gaze perception task in the horizontal plane, and self-reported difficulty with gaze perception for participants with CVL.

Vision Measures Gaze Perception Task: Horizontal Plane Difficulty Questiona
Age Scotoma Presenceb Visual Acuity↓ Contrast Sensitivity↑ Straight Ahead Direction SD in Straight Ahead Direction Gaze Cone Width SD in Gaze Cone Width Q4: If someone looks at youb
Age 0.46* 0.12 −0.50* −0.14 0.28 0.17 0.23 −0.18
Scotoma Presenceb Scotoma Presence 0.31 −0.52* −0.40 0.37 0.41 0.41 0.45*
Visual Acuity↓ Visual Acuity −0.64** 0.22 0.65** 0.42* 0.56** 0.52*
Contrast Sensitivity↑ Contrast Sensitivity −0.04 −0.68** −0.23 −0.44* −0.23
Straight Ahead Direction Straight Ahead Direction 0.15 −0.06 −0.03 −0.07
SD in Straight Ahead Direction SD in Straight Ahead Direction 0.45** 0.59** 0.55**
Gaze Cone Width Gaze Cone Width 0.95** 0.40
SD in Cone Width SD in Gaze Cone Width 0.37
Q4: If someone looks at you Q4: If someone looks at you

Note. All values are Pearson correlation coefficients unless otherwise noted. SD = variability (i.e., judgment uncertainty) in measure from the gaze perception task. n = 23 unless otherwise noted.

a

n = 22

b

Spearman correlation coefficient values

*

p < 0.05

**

p < 0.01

↑Higher scores indicate better performance

↓Lower scores indicate better performance