Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes

Purpose. To study ocular surface temperature (OST) in dry eyes by static and dynamic measures. Methods. OST was recorded on 62 dry eyes and 63 age- and sex-matched controls. Static measures were study of absolute OST at t=0, 5, and 10 s after eye opening. Dynamic measures were study of mean change a...

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Main Authors: Li Li Tan, Srinivasan Sanjay, Philip B. Morgan
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Journal of Ophthalmology
Online Access:http://dx.doi.org/10.1155/2016/7285132
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author Li Li Tan
Srinivasan Sanjay
Philip B. Morgan
author_facet Li Li Tan
Srinivasan Sanjay
Philip B. Morgan
author_sort Li Li Tan
collection DOAJ
description Purpose. To study ocular surface temperature (OST) in dry eyes by static and dynamic measures. Methods. OST was recorded on 62 dry eyes and 63 age- and sex-matched controls. Static measures were study of absolute OST at t=0, 5, and 10 s after eye opening. Dynamic measures were study of mean change and net change in OST over 10 s of sustained eye opening. Ten OST indices studied were temperatures of the geometric center of the cornea (GCC), extreme temporal (T1) and nasal conjunctiva (T4), midtemporal (CT) and nasal conjunctiva (CN), temporal (LT) and nasal (LN) limbus, and mean (MOST), maximum (Max T), and minimum (Min T) temperatures of the region of interest. Results. For static measures, dry eyes recorded significantly lower GCC, MOST, Min T, Max T, T4, CT, LT, LN, and CN. For dynamic measures, dry eyes had significantly steeper regression line of mean change (corresponding to greater net change) for Max T 5 s onward and T4 at 3 s onward. Conclusions. Both static and dynamic measures of the OST were valuable and can be used as clinical tool to assess dry eye.
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spelling doaj-art-fde85347d15342478dd2492bfb299c1c2025-02-03T05:54:01ZengWileyJournal of Ophthalmology2090-004X2090-00582016-01-01201610.1155/2016/72851327285132Static and Dynamic Measurement of Ocular Surface Temperature in Dry EyesLi Li Tan0Srinivasan Sanjay1Philip B. Morgan2School of Chemical and Life Sciences, Singapore Polytechnic, 139651, SingaporeOphthalmology and Visual Sciences, Khoo Teck Puat Hospital, 768828, SingaporeEurolens Research, The University of Manchester, Manchester M13 9PL, UKPurpose. To study ocular surface temperature (OST) in dry eyes by static and dynamic measures. Methods. OST was recorded on 62 dry eyes and 63 age- and sex-matched controls. Static measures were study of absolute OST at t=0, 5, and 10 s after eye opening. Dynamic measures were study of mean change and net change in OST over 10 s of sustained eye opening. Ten OST indices studied were temperatures of the geometric center of the cornea (GCC), extreme temporal (T1) and nasal conjunctiva (T4), midtemporal (CT) and nasal conjunctiva (CN), temporal (LT) and nasal (LN) limbus, and mean (MOST), maximum (Max T), and minimum (Min T) temperatures of the region of interest. Results. For static measures, dry eyes recorded significantly lower GCC, MOST, Min T, Max T, T4, CT, LT, LN, and CN. For dynamic measures, dry eyes had significantly steeper regression line of mean change (corresponding to greater net change) for Max T 5 s onward and T4 at 3 s onward. Conclusions. Both static and dynamic measures of the OST were valuable and can be used as clinical tool to assess dry eye.http://dx.doi.org/10.1155/2016/7285132
spellingShingle Li Li Tan
Srinivasan Sanjay
Philip B. Morgan
Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes
Journal of Ophthalmology
title Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes
title_full Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes
title_fullStr Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes
title_full_unstemmed Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes
title_short Static and Dynamic Measurement of Ocular Surface Temperature in Dry Eyes
title_sort static and dynamic measurement of ocular surface temperature in dry eyes
url http://dx.doi.org/10.1155/2016/7285132
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