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Table 3 Spasm accommodation comparison

From: Ultrasound biomicroscopy study of accommodative state in Smartphone abusers

Spasm of Accommodation

Smartphone abusers (n = 40)

Non users (n = 40)

Chi-square

P-value

Number of Spastic (%)

37 (92.5%)

26 (65.0%)

9.04

0.003*

Number of Non spastic (%)

3 (7.5%)

14 (35.0%)

  1. Chi-square test of independence was conducted, * Statistically significant P < 0.05