Development of a blue light radiation dosimeter

Turnbull, David J. and Parisi, Alfio (2005) Development of a blue light radiation dosimeter. In: 5th Annual Health and Medical Research Conference of Queensland, 03-04 Nov 2005, Brisbane, Queensland.

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Abstract

[Purpose of study]: The adverse effects to ocular health caused by exposure to high levels of optical radiation (100 nm to 1 mm) are of great concern and can result in the severe degradation of vision capabilities. When radiation of sufficient intensity in the blue part of the electromagnetic spectrum (effectively 380 to 550 nm) reaches the retina, it is found to trigger a reaction in the eye and is characterized by the blue light hazard. This blue light photochemical injury to the human retina can result from either viewing an extremely bright light source for a short amount of time or a less bright source for a longer period of time. Excessive exposure to harmful blue light radiation is linked to the increased risk of macular degeneration in humans. Therefore, it is essential to decrease any exposure to damaging optical radiation that the population experiences. Quantification of the individual level of radiation exposure requires personal dosimetry that takes into account changes in the position and orientation of people compared to the light sources.
[Conclusions]: Currently, a prototype dosimeter is being developed that can be used for the measurement of blue light exposures to humans. The prototype dosimeter only responds to wavelengths associated with the blue light hazard and is expected to be a useful tool for measuring radiation associated with the blue light hazard. The dosimeter will address the current major gap in the scientific knowledge on the amount of blue light radiation humans are exposed to during daily activities.

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Item Type:	Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed:	Yes
Item Status:	Live Archive
Additional Information:	Conference publication consists of only the abstracts of papers presented at the conference. Abstract only posted here.
Faculty/School / Institute/Centre:	Historic - Faculty of Sciences - Department of Biological and Physical Sciences (Up to 30 Jun 2013)
Faculty/School / Institute/Centre:	Historic - Faculty of Sciences - Department of Biological and Physical Sciences (Up to 30 Jun 2013)
Date Deposited:	11 Oct 2007 00:29
Last Modified:	02 Jul 2013 22:34
Uncontrolled Keywords:	blue light radiation, dosimeter
Fields of Research (2008):	02 Physical Sciences > 0205 Optical Physics > 020599 Optical Physics not elsewhere classified 11 Medical and Health Sciences > 1113 Ophthalmology and Optometry > 111302 Optical Technology 04 Earth Sciences > 0401 Atmospheric Sciences > 040103 Atmospheric Radiation
URI:	http://eprints.usq.edu.au/id/eprint/816

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