Analysis of Tear Film in Computer Users | ||
| Egyptian Journal of Ophthalmology | ||
| Volume 5, Issue 3, September 2025, Pages 113-121 PDF (197.68 K) | ||
| Document Type: Original Articles | ||
| DOI: 10.21608/ejomos.2024.324753.1149 | ||
| Authors | ||
| Passant Sayed Saif* 1; Ahmed Taha Gouda2; ahmed tamer sayed saif3 | ||
| 1Ophthalmology Department,Misr University for Science and Technology, Giza, Egypt | ||
| 2Ophthalmology Department, Beni-Suef University | ||
| 3Ophthalmology department, Fayoum university, fayoum , Egypt | ||
| Abstract | ||
| Purpose: This study aimed to assess tear film stability, tear volume, and dry eye symptoms in computer users. Methods: 200 participants (400 eyes) participated in the study. Demographic data, tear film breakup time (TBUT), tear meniscus height (TMH), Schirmer I test results, and Ocular Surface Disease Index (OSDI) scores were collected. TBUT was measured using both Fluorescein Breakup Time (FBUT) and Non-Invasive Breakup Time (NIBUT). Results: The mean age of participants was 32.5 ± 8.4 years, with 90 males and 110 females. The average duration of computer use was 6.2 ± 1.8 hours per day over 7.5 ± 3.2 years. Mean TBUT values were 5.8 ± 2.1 seconds (FBUT) and 7.1 ± 2.4 seconds (NIBUT), with NIBUT being significantly longer (p < 0.05). Mean TMH was 0.20 ± 0.05 mm, and Schirmer I test results averaged 10.8 ± 3.5 mm. The mean OSDI score was 25.4 ± 10.2, indicating mild to moderate dry eye symptoms. Significant correlations were found between the TBUT, TMH, Schirmer I test results, and OSDI scores. FBUT was positively correlated with NIBUT (r = 0.65, p < 0.01), TMH (r = 0.34, p < 0.05), and Schirmer I test results (r = 0.28, p < 0.05), and negatively correlated with OSDI scores (r = -0.50, p < 0.01). The NIBUT showed similar patterns of correlation. Conclusion: Computer users experienced varying degrees of tear film instability and dry eye symptoms. Significant correlations between TBUT, TMH, Schirmer I test results, and OSDI | ||
| Keywords | ||
| tear meniscus height; Schirmer I test; Ocular Surface Disease Index (OSDI) scores; Fluorescein Breakup Time; Non-Invasive Breakup Time | ||
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