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The reflectivity of human cornea and its influence on the selection of a suitable light source for a low cost tonometer
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UNSPECIFIED (2002) The reflectivity of human cornea and its influence on the selection of a suitable light source for a low cost tonometer. In: Photonics Asia Symposium 2002, SHANGHAI, PEOPLES R CHINA, OCT 14-18, 2002. Published in: OPTICS IN HEALTH CARE AND BIOMEDICAL OPTICS: DIAGNOSTICS AND TREATMENT, 4916 pp. 373-377. ISBN 0-8194-4705-6. ISSN 0277-786X.
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Abstract
This article introduces an experiment designed to investigate which wavelength of light is best reflected by the cornea. Results indicate that the human cornea reflects near-infrared or violet light more efficiently than it does bright visible light. Further, results indicate that at a wavelength of 580nm, the reflectivity of the cornea decreases to a minimum value of 37% given light incident on the cornea at an angle of 45degrees. A light source suitable for the detection of glaucoma has been selected based on these results, also taking into account the spectral response of a suitable photo-detector.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QC Physics | ||||
Series Name: | PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) | ||||
Journal or Publication Title: | OPTICS IN HEALTH CARE AND BIOMEDICAL OPTICS: DIAGNOSTICS AND TREATMENT | ||||
Publisher: | SPIE-INT SOC OPTICAL ENGINEERING | ||||
ISBN: | 0-8194-4705-6 | ||||
ISSN: | 0277-786X | ||||
Editor: | Chance, B and Chen, M and Yoon, G | ||||
Official Date: | 2002 | ||||
Dates: |
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Volume: | 4916 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 373-377 | ||||
Publication Status: | Published | ||||
Title of Event: | Photonics Asia Symposium 2002 | ||||
Location of Event: | SHANGHAI, PEOPLES R CHINA | ||||
Date(s) of Event: | OCT 14-18, 2002 |
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