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Table 3 Changes in accommodation using static and dynamic measurement after playing a virtual reality game

From: Influence of virtual reality on visual parameters: immersive versus non-immersive mode

Variable

Immersive mode

Non-immersive mode

Pre

Post

p-value

Pre

Post

p-value

Static measurement – Accommodative amplitude, diopter

 Dominant eye

2.063 (1.188)

1.938 (0.688)

0.722

2.000 (0.500)

1.875 (0.875)

0.571

 Non-dominant eye

2.063 (1.375)

2.125 (1.313)

0.442

2.000 (0.875)

2.000 (1.000)

0.572

Dynamic measurement

Velocity of accommodation, diopter/s

  Dominant eye

0.334 (0.126)

0.395 (0.144)

0.095

0.382 (0.105)

0.361 (0.154)

0.910

  Non-dominant eye

0.416 (0.104)

0.383 (0.119)

0.664

0.364 (0.133)

0.358 (0.133)

0.362

Mean accommodative lag, diopter

  Dominant eye

0.660 (0.628)

0.602 (0.483)

0.108

0.575 (0.520)

0.591 (0.528)

0.322

  Non-dominant eye

0.707 (0.430)

0.836 (0.590)

0.274

0.734 (0.357)

0.680 (0.489)

0.548

Dynamic accommodative response

  Dominant eye

0.912 (0.078)

0.901 (0.101)

0.778

0.884 (0.105)

0.904 (0.126)

0.664

  Non-dominant eye

0.881 (0.112)

0.900 (0.150)

0.821

0.914 (0.057)

0.886 (0.101)

0.099

  1. Data presented as median (interquartile range).