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Distribution and changes of ocular surface temperature Katsuhiko Niimi 1 , Junji Esaki 1 1Dept of Ophthalmol, Fujita Health Univ Sch of Med, Banbuntane Hotokukai Hosp pp.521-525
Published Date 2001/4/15
DOI https://doi.org/10.11477/mf.1410907252
  • Abstract
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We measured the temperature of ocular surface in 34 eyes of 34 volunteers aged from 20 to 59 years. The series included 12 persons with hypolacrimia. The temperature was measured using an infrared thermograph placed 20cm in front of the eye. It was measured immediately, 5, 10 and 15 seconds after opening the eye. The area nasal to the upper eyelid showed the highest temperature, followed by bulbar conjunctiva adjacent to the lacrimal caruncle. The corneal temperature was lower than these areas by 1.5゚C or more and decreased further after keeping the eye open. It rose again when the cornea was covered by tear fluid anew. In cases of hypolacrimia, the corneal temperature showed a larger decrease while keeping the eye open. The findings show that tear film would contribute to keep the corneal temperature stable.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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