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Year : 2021  |  Volume : 7  |  Issue : 3  |  Page : 225-228

Evaluation of Variation in Tear Film Breakup Time (TBUT) in Computer Users According to Hours of Computer Usage

1 Department of Ophthalmology, Sharda University School of Medical Sciences and Research & Sharda Hospital, Greater Noida, Uttar Pradesh, India
2 Department of Ophthalmology, Santosh Medical College, Pratap Vihar, Ghaziabad, Uttar Pradesh, India

Correspondence Address:
Monika Kapur
Department of Ophthalmology, Room No. 13 of Eye OPD, D Block, Ground Floor, Sharda Hospital, Knowledge Park 3, Greater Noida 201306, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/mamcjms.mamcjms_68_21

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Background: Increased use of computers over prolonged hours leads to a decrease in tear film breakup time (TBUT), resulting in dry eye. This study was carried out to find out the variations in TBUT according to hours of daily computer usage. Methods: Computer users were grouped into five groups as group A <2 hours, group B >2 hours to ≤4 hours, group C >4 hours to ≤6 hours, group D >6 hours to ≤8 hours, and group E >8 hours according to their hours of computer exposure per day. All the participants were subjected to TBUT. Chi-squared test and analysis of variance test was used to compare mean values, find P-values, and ensuring statistical significance. Results: In our study, the mean age of the study population was 32.18 ± 5.38 years. The mean TBUT in the various groups was found to be 25.83, 21.20, 18.62, 12.40, and 9.43 seconds in the right eye and 26.05, 21.19, 18.57, 12.31, and 9.41 seconds in the left eye in groups A, B, C, D, and E, respectively. Conclusion: It seems there is significant decrease in TBUT with increasing duration of computer use per day. TBUT can be performed quickly, easily, and be used to screen and support diagnosis of dry eye.

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