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Table 3 Comparisons of Fusion Reflex Characteristics in Study Groups (M ± SD)

From: Fundamentals of Presbyopia: visual processing and binocularity in its transformation

Characteristics Control Presbyopia P-value
Proximal fusion border, cm 5.23 ± 1.58 18.90 ± 6.85 0.0001
Distal fusion border, cm 90.05 ± 7.35 69.20 ± 12.21 0.0001
Convergence fusion border, 10−1 cm 24.83 ± 6.14 30.31 ± 6.91 0.0001
Divergence fusion border, 10−1 cm 63.38 ± 3.55 58.21 ± 5.61 0.056
Length of binocularity field, cm 84.78 ± 7.75 50.82 ± 16.05 0.0001
Width of binocularity field, 10−1 cm 41.88 ± 3.35 30.39 ± 6.34 0.0001
Area of binocularity field, cm2 365.60 ± 45.10 174.40 ± 87.70 0.0001