Discrete Portable Measuring Device for Monitoring Noninvasive Intraocular Pressure with a Nano-Structured Sensing Contact Lens Prototype

Ana Moya, Anton Guimerà, Irene Sánchez, Vladimir Laukin, Raúl Martín, Fernando Ussa, Elena Laukhina, Concepció Rovira, Jaume Veciana, José Carlos Pastor, Rosa Villa and Jordi Aguiló
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Ana Moya: CIBER-BBN and IMB-CNM (CSIC), Spain
Anton Guimerà: CIBER-BBN and IMB-CNM (CSIC), Spain
Irene Sánchez: CIBER-BBN and IOBA, University of Valladolidad, Spain
Vladimir Laukin: ICREA and ICMAB (CSIC), Spain
Raúl Martín: CIBER-BBN, Department of Physics TAO and IOBA, University of Valladolid, Spain
Fernando Ussa: CIBER-BBN and IOBA, University of Valladolid, Spain
Elena Laukhina: CIBER-BBN and ICMAB (CSIC), Spain
Concepció Rovira: CIBER-BBN and ICMAB (CSIC), Spain
Jaume Veciana: CIBER-BBN and ICMAB (CSIC), Spain
José Carlos Pastor: CIBER-BBN, University Hospital and IOBA, University of Valladolid, Spain
Rosa Villa: CIBER-BBN and IMB-CNM (CSIC), Spain
Jordi Aguiló: CIBER-BBN and IMB-CNM (CSIC), Spain

International Journal of E-Health and Medical Communications (IJEHMC), 2011, vol. 2, issue 4, 1-19

Abstract: A new portable measuring device for monitoring intraocular pressure with a non invasive system using a prototype of contact lens has been developed. The contact lens is based on a new organic flexible highly piezo-resisitive film sensor that is glued to the central hole of a lens. The measuring system is wire connected to the contact lens and incorporates user interface methods and a Bluetooth link for bi-directional wireless data transfer. The key design aspects of such architecture are discussed in this paper. The system is designed with an architecture that can be integrated in the future in order to be placed in the contact lens. The discrete system is used to validate the electronic measurement operation and the contact lens sensor (CLS). The measurement instrument can calibrate the differences of the nominal value of the sensor and measure resistances variations that are related to pressure variations. The measuring system and the contact lens sensor were tested with an eye phantom and with enucleated pig eyes by applying pressure changes between 7 to 32 mmHg recording the electrical changes with the portable device.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jehmc0:v:2:y:2011:i:4:p:1-19

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International Journal of E-Health and Medical Communications (IJEHMC) is currently edited by Joel J.P.C. Rodrigues

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