Table 2.
Changes in pupil diameter and response during SGB.
| Side |
Baseline |
T3 |
T5 |
T10 |
T15 |
F |
|
|---|---|---|---|---|---|---|---|
| N = 52 | |||||||
| PD (mm) |
B | 4.84 ± 0.57 | 3.97 ± 0.61**# | 3.56 ± 0.61**# | 3.43 ± 0.57**# | 3.43 ± 0.64**# | 125.98 |
| O | 4.86 ± 0.56 | 4.70 ± 0.59** | 4.63 ± 0.70** | 4.58 ± 0.69** | 4.62 ± 0.76** | 8.25 | |
| PLR (%) |
B | 40.02 ± 11.82 | - | - | - | 41.71 ± 12.82 | |
| O | 40.83 ± 10.97 | - | - | - | 38.40 ± 10.76 | ||
| BO-IED (mm) |
0.01 ± 0.16 | 0.58 ± 0.06** | 0.94 ± 0.07** | 1.02 ± 0.08** | 1.02 ± 0.09** | 79.37 | |
| N = 8 | |||||||
| PD (mm) |
B | 4.64 ± 0.16 | 4.28 ± 0.35 | 4.03 ± 0.55 | 3.93 ± 0.54 | 4.04 ± 0.40 | 7.52 |
| O | 4.6 ± 0.19 | 4.45 ± 0.29 | 4.39 ± 0.39 | 4.41 ± 0.42 | 4.41 ± 0.48 | 1.93 | |
| PLR (%) |
B | 39.88 ± 11.10 | - | - | - | 30.25 ± 5.50 | |
| O | 43.63 ± 10.60 | - | - | - | 36.75 ± 13.65 | ||
| BO-IED (mm) |
0.04 ± 0.09 | 0.18 ± 0.44 | 0.37 ± 0.59 | 0.49 ± 0.58 | 0.38 ± 0.48 | 3.78 |
Note: *P < 0.05 vs T0; **P < 0.01 vs baseline; #P < 0.05 vs opposite side. Abbreviations: B = block side; O = opposite side; PD = Pupil diameter; PLR = pupillary constriction ratio during pupil light reflex; BO-IED = Inter-eye difference between block side and opposite side; T3 = 3 min after SGB; T5 = 5 min after SGB; T10 = 10 min after SGB; T15 = 15 min after SGB.