A wearable infrared videopupillography with multi-stimulation of consistent illumination for binocular pupil response

Yang-Mang Ou, Mei Lan Ko, Yi Chun Tsai, Jin-Chern Chiou, Ting Wei Huang*

*此作品的通信作者

研究成果: Conference contribution同行評審

摘要

The pupil response to light can reflect various kinds of diseases which are related to physiological health. Pupillary abnormalities may be influenced on people by autonomic neuropathy, glaucoma, diabetes, genetic diseases, and high myopia. In the early stage of neuropathy, it is often asymptomatic and difficulty detectable by ophthalmologists. In addition, the position of injured nerve can lead to unsynchronized pupil response for human eyes. In our study, we design the pupilometer to measure the binocular pupil response simultaneously. It uses the different wavelength of LEDs such as white, red, green and blue light to stimulate the pupil and record the process. Therefore, the pupilometer mainly contains two systems. One is the image acquisition system, it use the two cameras modules with the same external triggered signal to capture the images of the pupil simultaneously. The other one is the illumination system. It use the boost converter ICs and LED driver ICs to supply the constant current for LED to maintain the consistent luminance in each experiments for reduced experimental error. Furthermore, the four infrared LEDs are arranged nearby the stimulating LEDs to illuminate eyes and increase contrast of image for image processing. In our design, we success to implement the function of synchronized image acquisition with the sample speed in 30 fps and the stable illumination system for precise measurement of experiment.

原文English
主出版物標題Design and Quality for Biomedical Technologies IX
編輯Rongguang Liang, Ramesh Raghavachari
發行者SPIE
ISBN(電子)9781628419344
DOIs
出版狀態Published - 1 1月 2016
事件Design and Quality for Biomedical Technologies IX - San Francisco, United States
持續時間: 13 2月 201614 2月 2016

出版系列

名字Progress in Biomedical Optics and Imaging - Proceedings of SPIE
9700
ISSN(列印)1605-7422

Conference

ConferenceDesign and Quality for Biomedical Technologies IX
國家/地區United States
城市San Francisco
期間13/02/1614/02/16

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