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 \({\upeta }_{\text{p}}^{2}\) = 0.002 | F(1,40) = 0.455 p = 0.504 \({\upeta }_{\text{p}}^{2}\) = 0.011 | F(1,40) = 2.757 p = 0.105 \({\upeta }_{\text{p}}^{2}\) = 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 \({\upeta }_{\text{p}}^{2}\) = 0.035 | F(1,40) = 1.282 p = 0.264 \({\upeta }_{\text{p}}^{2}\) = 0.031 | F(1,40) = 0.669 p = 0.418 \({\upeta }_{\text{p}}^{2}\) = 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 \({\upeta }_{\text{p}}^{2}\) = 0.011 | F(1,40) = 0.268 p = 0.608 \({\upeta }_{\text{p}}^{2}\) = 0.007 | F(1,40) = 0.011 p = 0.919 \({\upeta }_{\text{p}}^{2}\) = 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 \({{\varvec{\upeta}}}_{\mathbf{p}}^{2}\) = 0.242 | F(1,40) = 2.210 p = 0.145 \({\upeta }_{\text{p}}^{2}\)= 0.052 | F(1,40) = 1.001 p = 0.323 \({\upeta }_{\text{p}}^{2}\) = 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 \({{\varvec{\upeta}}}_{\mathbf{p}}^{2}\) = 0.125 | F(1,40) = 1.506 p = 0.227 \({\upeta }_{\text{p}}^{2}\) = 0.036 | F(1,40) = 0.000 p = 0.993 \({\upeta }_{\text{p}}^{2}\) = 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 \({\upeta }_{\text{p}}^{2}\) = 0.05 | F(1,40) = 0.466 p = 0.499 \({\upeta }_{\text{p}}^{2}\) = 0.12 | F(1,40) = 0.049 p = 0.827 \({\upeta }_{\text{p}}^{2}\) = 0.001 |
Glaucoma N = 16 | 2.144 ± 0.299 | 2.094 ± 0.317 | |||