Table 3. Comparison of fixation variability and average gaze deviations from fixation target among the DEF, N-DEF, and BF conditions.
| Parameter | (1) DEF | (2) N-DEF | (3) BF | p Value | |||
|---|---|---|---|---|---|---|---|
| (1)—(2) | (1)—(3) | (2)—(3) | |||||
| Foveal threshold measurement | |||||||
| BCEA (deg2) | |||||||
| 1SD (68.27%) | 1.75 ± 2.73 | 1.45 ± 1.51 | 1.67 ± 2.62 | 0.7624 | 1 | 1 | |
| 2SD (95.45%) | 10.29 ± 13.37 | 8.80 ± 8.89 | 9.52 ± 14.89 | 0.8381 | 1 | 1 | |
| 3SD (99.73%) | 18.44 ± 23.98 | 15.77 ± 15.95 | 17.07 ± 26.69 | 0.8381 | 1 | 1 | |
| Average gaze deviations from fixation target (degree) | |||||||
| 0.92 ± 0.48 | 0.85 ± 0.38 | 0.91 ± 0.69 | 1 | 1 | 1 | ||
| Visual field measurement | |||||||
| BCEA (deg2) | |||||||
| 1SD (68.27%) | 4.62 ± 3.38 | 5.24 ± 3.67 | 2.85 ± 2.00 | 0.9505 | 0.0227 | 0.0006 | |
| 2SD (95.45%) | 27.73 ± 19.84 | 29.92 ± 19.79 | 16.78 ± 11.09 | 1 | 0.0104 | < 0.0001 | |
| 3SD (99.73%) | 49.72 ± 35.58 | 53.66 ± 35.48 | 30.10 ± 19.88 | 1 | 0.0104 | 0.0006 | |
| Average gaze deviations from fixation target (degree) | |||||||
| 1.62 ± 0.64 | 1.69 ± 0.55 | 1.22 ± 0.46 | 1 | 0.0003 | 0.0001 | ||
p values were adjusted with the Bonferroni correction. BCEA, bivariate contour ellipse area; DEF, dominant eye fixation; N-DEF, non-dominant eye fixation; BF, binocular fixation; SD, standard deviation.