Table 2 Pupil dynamics and transient eye closure (TEC) using a near infrared vision monitoring system
Dynamics of pupil | Transient eye closure (−) (mean ± SD) | Transient eye closure (+) (mean ± SD) | P-value | |
|---|---|---|---|---|
Initial diameter (mm) | R | 5.26 (±0.81) | 5.71 (±0.27) | 0.14 |
L | 5.35 (±0.71) | 5.69 (±0.22) | 0.18 | |
Amplitude of contraction (mm) | R | 1.96 (±0.30) | 2.21 (±0.30) | 0.90 |
L | 2.09 (±0.24) | 2.18 (±0.27) | 0.41 | |
Latency of contraction (ms) | R | 193.6 (±35.47) | 198.3 (±74.15) | 0.85 |
L | 191.0 (±35.81) | 202.3 (±75.45) | 0.66 | |
Duration of contraction (ms) | R | 642.9 (±65.47) | 651.2 (±108.44) | 0.83 |
L | 681.6 (±84.35) | 670.3 (±87.74) | 0.76 | |
Velocity of contraction (mm/s) | R | 6.98 (±1.96) | 7.33 (±1.32) | 0.63 |
L | 7.20 (±1.05) | 7.77 (±2.51) | 0.50 | |
Latency of dilation (ms) | R | 836.5 (±78.86) | 849.5 (±54.80) | 0.66 |
L | 881.6 (±72.72) | 862.8 (±65.91) | 0.53 | |
Duration of dilation (ms) | R | 1630.9 (±72.72) | 1624.5 (±58.06) | 0.82 |
L | 1586.2 (±79.82) | 1624.7 (±44.37) | 0.20 | |
Velocity of dilation (mm/s) | R | 2.63 (±1.10) | 3.00 (±0.80) | 0.38 |
L | 2.52 (±0.59) | 3.00 (±0.70) | 0.13 | |