Volume 14 Number 3 (Mar. 2019)
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JCP 2019 Vol.14(3):161-169 ISSN: 1796-203X
doi: 10.17706/jcp.14.3.161-169

Real Time Measurement and Processing of Pupillary Light Reflex for Early Detection of Disease

Ippei Torii, Takahito Niwa
1Aichi Institute of Technology, Dept. of Information Science, 1247 Yachigusa, Yakusa-cho, Toyota, Aichi, Japan.

Abstract—Recently, pupillary measurements have begun to be considered effective in the diagnosis of various physical conditions. Apart from optic neuropathy and retinal disorders, which are ocular diseases, diversions can be expected in the diagnosis of autonomic disturbance due to sympathetic and parasympathetic nerve disorders, cranial nerve disorders, cerebral infarction, depression, and diabetes. In this study, we have developed a real-time pupil diameter measuring system that is inexpensive and does not require a complicated device. When strong light is projected onto the eyeball, this system can measure the reaction time until the start of miosis, the time to achieve maximal miosis, and the difference in reaction speed of the left and right eyes. With this system, the status of a disease can be judged based on the distance from the threshold value.

Index Terms—Real time measurement, eye movement, early detection of disease, image processing.

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Cite: Ippei Torii, Takahito Niwa, "Real Time Measurement and Processing of Pupillary Light Reflex for Early Detection of Disease," Journal of Computers vol. 14, no. 3, pp. 161-169, 2019.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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