Table 2.

Results for clinical tests shown separately as a function of reading speed increase.

	>5%	≤5%	p value
Refractive error (vectors)
Right eye
Horizontal	−1.36 (2.72)	−0.91 (2.72)	0.79
Torsional	−0.07 (0.25)	0.04 (0.16)	0.06
Vertical	−1.28 (2.61)	−0.89 (2.82)	0.80
Left eye
Horizontal	−1.26 (2.78)	−0.60 (2.74)	0.68
Torsional	0.05 (0.21)	0.00 (0.22)	0.53
Vertical	−1.33 (2.77)	−0.68 (2.75)	0.51
Difference between eyes
Horizontal	−0.11 (0.43)	−0.31 (0.74)	0.35
Torsional	−0.12 (0.42)	0.04 (0.31)	0.18
Vertical	0.050 (0.55)	−0.22 (0.71)	0.10
Distant visual acuity
Right eye	−0.06 (0.037)	−0.06 (0.05)	0.29
Left eye	−0.05 (0.057)	−0.06 (0.03)	0.68
Binocularly	−0.07 (0.022)	−0.07 (0.02)	0.83
Difference between eyes	0.00 (0.04)	0.00 (0.05)	0.69
Stereoacuity (seconds of arc)	−1.54 (0.26)	−1.68 (0.39)	0.17
Amplitude of accommodation (Dioptres)	12.94 (2.06)	12.68 (2.62)	0.42
Near point of convergence (cm)	5.26 (1.14)	5.45 (1.59)	0.92
Associated heterophoria at near	N = 3	N = 0	0.04*
Colour vision deficiency	N = 0	N = 0	–
Ocular motility	N = 2	N = 2	0.61

^*Statistically significant p value.