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Published:
Jul 29, 2024DOI:
10.4314/jnoa.v26i1.4Keywords:
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Main Article Content
Tear Quantity and Quality in Smartphone Users Amongst Students of University of Benin
Abstract
Purpose: This study was aimed at investigating how smartphone use affects tear quantity and tear quality in students of the University of Benin, Benin City, Edo state, Nigeria.
Methods: The study involved 300 participants, comprising 174 males and 126 females, aged between 16 and 25 years, with mean age of 20.76 ± 3.00 years. The study began by instructing participants to refrain from using smartphones for 60 minutes. Baseline measurements for tear quantity and tear quality were obtained through Schirmer and invasive tear breakup time test respectively. Subsequently, participants were asked to read an article on a smartphone for 60 minutes, followed by the same tear tests.
Results: Statistical analysis, using paired t-tests, revealed a statistically significant decrease (p <0.05) in tear quantity after smartphone use: right eye (RE) from 17.08 ± 3.01mm to 14.71 ± 2.63mm and left eye (LE) from 17.01 ± 2.63mm to 14.91 ± 2.47mm. Tear quality also showed a statistically significant decline (p<0.05) after smartphone use: RE from 16.17 ± 2.90 secs to 14.26 ± 2.67 secs and LE from 16.17 ± 2.74 secs to 14.46 ± 2.67 secs.
Conclusion: Smartphone use was found to lead to reduced tear quantity and tear quality among University of Benin students.
