Table 2.

Means ± standard deviations of the eye tracking data during the “Speed-Court-Test” of glaucoma patients and healthy sighted controls as well as the outcomes of the ANCOVA.

Condition	Large Screen	Small Screen	Repeated Measures ANCOVA
			Screen	Group	Screen × Group
Performance (s)
Control N = 27	91.590  ± 15.325	89.43  ± 15.667	F(1,40) = 0.077 p = 0.782 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.002	F(1,40) = 0.455 p = 0.504 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.011	F(1,40) = 2.757 p = 0.105 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.064
Glaucoma N = 16	86.550  ± 10.993	88.143  ± 13.947
Saccade Duration (ms)
Control N = 27	154.341  ± 39.113	136.193  ± 40.639	F(1,40) = 1.462 p = 0.234 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.035	F(1,40) = 1.282 p = 0.264 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.031	F(1,40) = 0.669 p = 0.418 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.016
Glaucoma N = 16	146.749  ± 27.504	123.669  ± 23.765
Saccade Frequency (saccades/s)
Control N = 27	1.696  ± 0.384	1.641  ± 0.313	F(1,40) = 0.436 p = 0.513 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.011	F(1,40) = 0.268 p = 0.608 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.007	F(1,40) = 0.011 p = 0.919 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.000
Glaucoma N = 16	1.744  ± 0.354	1.694  ± 0.386
Saccade Amplitude (°)
Control N = 27	13.415  ± 2.312	10.448  ± 2.353	F(1,40) = 12.742 p < 0.001 ${\mathbf{\eta }}_{\mathbf{p}}^2$ = 0.242	F(1,40) = 2.210 p = 0.145 ${\mathrm{\eta }}_{\text{p}}^2$= 0.052	F(1,40) = 1.001 p = 0.323 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.024
Glaucoma N = 16	12.119  ± 3.453	9.706  ± 2.680
Fixation Duration (ms)
Control N = 27	246.807  ± 31.467	269.241  ± 36.793	F(1,40) = 5.272 p = 0.021 ${\mathbf{\eta }}_{\mathbf{p}}^2$ = 0.125	F(1,40) = 1.506 p = 0.227 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.036	F(1,40) = 0.000 p = 0.993 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.000
Glaucoma N = 16	269.188  ± 69.902	292.131  ± 97.378
Fixation Frequency (fixation/s)
Control N = 27	2.1  ± 0.253	2.063  ± 0.204	F(1,40) = 2.103 p = 0.155 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.05	F(1,40) = 0.466 p = 0.499 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.12	F(1,40) = 0.049 p = 0.827 ${\mathrm{\eta }}_{\text{p}}^2$ = 0.001
Glaucoma N = 16	2.144  ± 0.299	2.094  ± 0.317

Significant differences are presented in bold.