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Biomolecular Detection employing the Interferometric Reflectance Imaging Sensor (IRIS)

Biomolecular Detection employing the Interferometric Reflectance Imaging Sensor (IRIS)

Published on: May 3, 2011

A novel sensor array for field based ocular ultraviolet radiation measurements.

D P Fleming¹, J E Walsh, L A Moore

¹School of Physics, Focas Institute, Dublin Institute of Technology, Ireland. david.fleming@dit.ie

Radiation Protection Dosimetry

|September 30, 2005

Summary

Increased solar ultraviolet radiation (UVR) poses risks to eye health. This study introduces a new sensor system to accurately measure UVR on the eye

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Area of Science:

Ophthalmology and environmental science.
Investigating the effects of solar ultraviolet radiation (UVR) on ocular tissues.

Background:

Ozone layer depletion intensifies terrestrial solar UVR, increasing potential biological damage.
Anterior ocular tissues, particularly the nasal limbus, are susceptible to UVR, potentially causing diseases like pterygium.
Accurate quantification and localization of UVR on the anterior ocular surface are needed.

Purpose of the Study:

To design, construct, and test a novel solar blind photodiode sensor array system.
To quantify and localize incident UVR on the anterior ocular surface.
To provide core data for understanding UVR exposure in the 'pterygium belt'.

Main Methods:

Development of a novel solar blind photodiode sensor array system.
Testing the system's accuracy and stability.
Initial measurements of irradiance across the anterior ocular surface at various head orientations and tilt angles.

Main Results:

The novel sensor system was successfully designed, constructed, and tested.
Initial measurements quantified UVR irradiance across the anterior ocular surface.
Data were collected for different head orientations and tilt angles within the 'pterygium belt'.

Conclusions:

The developed sensor system demonstrates accuracy and stability for measuring ocular UVR.
The collected data provide a foundation for understanding UVR exposure related to pterygium.
Further research can utilize this system to investigate UVR's impact on ocular health.