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Year 2020

Volume: 6 , Issue: 2

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IP International Journal of Ocular Oncology and Oculoplasty


Do dry eye test results differ in AC and non-AC office rooms? A comparative study in healthy young adults


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Research Article

Author Details : Soni Soman, Uma Kulkarni*, Almas Abdul Aziz

Volume : 6, Issue : 1, Year : 2020

Article Page : 63-66


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Abstract

Aim: To study the effect of air-conditioning of ophthalmic investigation rooms on dry eye test results in
healthy young adults.
Methods: 100 healthy individuals in the age group of 20-30 years underwent dry eye evaluation in a non-
AC room and same tests were repeated by the same investigator after exposing the participants to AC room
for one hour with a pre-set temperature of 200C and humidity 60%.
Results: Assessment of symptoms suggestive of dry eye syndrome was done using the validated 5-Item
Dry Eye Questionnaire and dry eye symptoms were found to be present in one-third of the participants.
The mean values with standard deviation along with the p value were calculated for blink rate, TBUT,
Schirmer’s test at the end of 1 minute and at the end of 5 minutes were calculated for both non AC room
and AC room groups. Statistical analysis was done using the Wilcoxon test. The average blink rate in the
AC room was found to be higher in the AC rooms (12.7 2.86 per min) than in the non- AC rooms (10.12
1.81 per min) with a statistically significant difference (Wilcoxon Signed Ranks Test and p= 0.000). The
average TBUT values in the AC rooms (18.84 6.53s) were significantly longer than in the non-AC rooms
(13.63 4.29) and the difference was statistically significant (p= 0.000). The average Schirmer’s test value
at the end of 1 minute was found to be higher in non AC rooms (11.49 3.48) when compared to AC
rooms (9.90 3.02) and the difference was statistically significant. The average Schirmer’s test value at
5 minutes was also found to be higher in non-AC room (28.92 4.81) when compared to the AC room
(21.92 4.41) and the difference was statistically significant (p value of 0.000).
Conclusion: We found significant impact on the tear evaporative parameters in young healthy individuals
with the air conditioning of the room.

Keywords: Dry eye tests, Air conditioning.

Doi : 10.18231/j.ijooo.2020.012

How to cite : Soman S, Kulkarni U, Aziz A A, Do dry eye test results differ in AC and non-AC office rooms? A comparative study in healthy young adults. IP Int J Ocul Oncol Oculoplasty 2020;6(1):63-66

Copyright © 2020 by author(s) and IP Int J Ocul Oncol Oculoplasty. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (creativecommons.org)