TABLE 2.
Retinal Nerve Fiber Layer Thickness (μm) of Right and Left Eye and Interocular Differences (Right Eye Minus Left Eye)
| Parameters | Right Eye (SD) | Left Eye (SD) | Difference (SD) | P Value |
|---|---|---|---|---|
| Average RNFL | 93.09 (9.33) | 92.57 (9.86) | 0.52 (4.44) | 0.049 |
| TP quadrant | 64.52 (11.67) | 61.92 (10.42) | 2.60 (6.03) | <.001 |
| SP quadrant | 115.73 (14.69) | 119.41 (15.90) | −3.68 (9.07) | <.001 |
| NS quadrant | 70.51 (11.61) | 68.66 (11.47) | 1.85 (7.30) | <.001 |
| IF quadrant | 121.61 (16.05) | 120.29 (16.01) | 1.31 (9.95) | 0.027 |
| Clock-hr 1/11 | 102.20 (20.32) | 113.22 (21.59) | −11.02 (15.40) | <.001 |
| Clock-hr 2/10 | 88.13 (18.76) | 85.58 (18.58) | 2.55 (14.39) | 0.003 |
| Clock hour 3/9 | 57.41 (9.54) | 55.27 (9.13) | 2.14 (8.67) | <.001 |
| Clock hour 4/8 | 66.00 (13.17) | 65.13 (14.00) | 0.87 (9.94) | 0.141 |
| Clock hour 5/7 | 98.54 (20.69) | 99.24 (20.94) | −0.70 (13.48) | 0.386 |
| Clock hour 6 | 134.26 (23.77) | 132.47 (25.05) | 1.79 (18.70) | 0.108 |
| Clock hour 7/5 | 132.01 (23.01) | 129.16 (24.09) | 2.85 (17.67) | 0.007 |
| Clock hour 8/4 | 64.95 (14.77) | 62.03 (14.34) | 2.91 (10.15) | <.001 |
| Clock hour 9/3 | 51.19 (9.22) | 49.74 (8.29) | 1.44 (6.10) | <.001 |
| Clock hour 10/2 | 77.41 (16.07) | 73.99 (13.38) | 3.42 (10.99) | <.001 |
| Clock hour 11/1 | 127.60 (21.59) | 122.88 (22.85) | 4.72 (16.64) | <.001 |
| Clock hour 12 | 117.40 (24.75) | 122.14 (24.68) | −4.74 (17.30) | <.001 |
IF = inferior; NS = nasal; RNFL = retinal nerve fiber layer; SD = standard deviation; SP = superior; TP = temporal.