PhD, MCOptom Philip B. Morgan , MD, FRCOphth Andrew B. Tullo , PhD, MCOptom, FVCO, FAAO Nathan Efron
{"title":"Ocular surface cooling in dry eye — a pilot study","authors":"PhD, MCOptom Philip B. Morgan , MD, FRCOphth Andrew B. Tullo , PhD, MCOptom, FVCO, FAAO Nathan Efron","doi":"10.1016/S0141-7037(96)80018-8","DOIUrl":null,"url":null,"abstract":"<div><p>Infrared thermography was employed to measure the change in ocular surface temperature on eye opening within agroup of 11 dry-eye patients and seven control subjects. Qualitatively, the colour coded thermograms were found to be disorganised and irregular in the dry-eye group. Quantitatively, the decrease in temperature was found to be much more rapid in the dry-eye group (0.88 ± 0.23°C in 7s) compared with the control group (0.21 ± 0.27°C) (P<0.0001). This faster rate of cooling can be explained in terms of a greater evaporation rate and the increased ocular surface temperature on eye opening in a dry eye. This observation, if confirmed on a larger study group, potentially offers a new, objective, non-invasive system for analysis of the tear-film and dry-eye therapies.</p></div>","PeriodicalId":100842,"journal":{"name":"Journal of The British Contact Lens Association","volume":"19 1","pages":"Pages 7-10"},"PeriodicalIF":0.0000,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0141-7037(96)80018-8","citationCount":"46","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The British Contact Lens Association","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0141703796800188","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 46
Abstract
Infrared thermography was employed to measure the change in ocular surface temperature on eye opening within agroup of 11 dry-eye patients and seven control subjects. Qualitatively, the colour coded thermograms were found to be disorganised and irregular in the dry-eye group. Quantitatively, the decrease in temperature was found to be much more rapid in the dry-eye group (0.88 ± 0.23°C in 7s) compared with the control group (0.21 ± 0.27°C) (P<0.0001). This faster rate of cooling can be explained in terms of a greater evaporation rate and the increased ocular surface temperature on eye opening in a dry eye. This observation, if confirmed on a larger study group, potentially offers a new, objective, non-invasive system for analysis of the tear-film and dry-eye therapies.
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