Noncontact detection of dry eye using a custom designed IR thermal image system

Tai Yuan Su, Kerh Hwa Chen, Po Hsuan Liu, Ming Hong Wu, David O. Chang, Huihua Chiang*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations


Dry eye syndrome is a common irritating eye disease. Current clinical diagnostic methods are invasive and uncomfortable to patients. A custom designed noncontact infrared (IR) thermal image system was developed to measure the spatial and temporal variation of the ocular surface temperature over a 6-second eye-opening period. We defined two parameters: the temperature difference value and the compactness value to represent the degree of the temperature change and irregularity of the temperature distribution on the tear film. By using these two parameters, in this study, a linear discrimination result for the dry eye and the normal eye groups; the sensitivity is 0.9, the specificity is 0.86 and the receiver operating characteristic (ROC) area is 0.91. The result suggests that the custom designed IR thermal image system may be used as an effective tool for noncontact detection of dry eye.

Original languageEnglish
Title of host publicationOphthalmic Technologies XXI
StatePublished - 2011
EventOphthalmic Technologies XXI - San Francisco, CA, United States
Duration: 22 Jan 201124 Jan 2011

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
ISSN (Print)1605-7422


ConferenceOphthalmic Technologies XXI
Country/TerritoryUnited States
CitySan Francisco, CA


  • IR image system
  • compactness value
  • dry eye
  • tear film stability
  • temperature difference value


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