Factor | Pre | Post | p Value |
---|---|---|---|
Watching 3D displays | |||
NPA (cm) | 10.48 ± 1.63 | 11.05 ± 1.94 | 0.016 |
NPC (cm) | 6.91 ± 2.23 | 7.5 ± 2.40 | 0.013 |
F.div (PD) | 15.13 ± 4.12 | 15.6 ± 4.96 | 0.414 |
F.con (PD) | 22.47 ± 8.64 | 23.83 ± 9.27 | 0.068 |
Stereopsis (s of arc) | 58.33 ± 33.54 | 66.67 ± 49.36 | 0.063 |
BUT (s) | 9.0 ± 1.91 | 8.3 ± 2.31 | 0.106 |
Temp (°C) | 33.6 ± 1.06 | 33.44 ± 0.42 | 0.438 |
Angle (PD) | 1.77 ± 3.47 | 1.7 ± 3.43 | 0.823 |
Watching 2D displays | |||
NPA (cm) | 10.48±1.63 | 10.38±1.80 | 0.779 |
NPC (cm) | 6.91±2.23 | 6.77±2.69 | 0.793 |
F.div (PD) | 15.13±4.12 | 14.93±4.29 | 0.709 |
F.con (PD) | 22.47±8.64 | 23.13±8.89 | 0.578 |
Stereopsis (s of arc) | 58.33±33.54 | 60.67±41.43 | 0.597 |
BUT (s) | 9.0±1.91 | 8.5±2.13 | 0.305 |
Temp (°C) | 33.6±1.06 | 33.35±0.63 | 0.259 |
Angle (PD) | 1.77±3.47 | 1.90±3.75 | 0.650 |
Angle, angle of phoric deviation; BUT, tear break-up time; F.con, amplitude of fusional convergence; F.div, amplitude of fusional divergence; NPA, near point of accommodation; NPC, near point of convergence; Temp, temperature of ocular surface.