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  4. A soft contact lens with a MEMS strain gage embedded for intraocular pressure monitoring
 
conference paper

A soft contact lens with a MEMS strain gage embedded for intraocular pressure monitoring

Leonardi, Matteo  
•
Leuenberger, P.
•
Bertrand, Daniel
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2003
BOSTON TRANSDUCERS'03: DIGEST OF TECHNICAL PAPERS
12th International Conference on Solid-State Sensors, Actuators and Microsystems

We propose a novel approach to intraocular pressure (IOP) measurement allowing minimal invasive continuous monitoring over prolonged periods, regardless of patient position and activities [1]. The key element of this innovative measurement method is a soft contact lens with a microfabricated strain gage embedded. allowing the measurement of the cornea curvature deformation due to IOP changes. Tests on a eye-simulating device have shown that the sensor is capable of monitoring continuously a deformation of cornea radius inferior to 0.0055 mm, which corresponds to a sensitivity of better than 2 mmHg IOP, according to an in vitro [2] and an in vivo [3] studies about the correlation between IOP and corneal curvature in human beings.

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Type
conference paper
DOI
10.1109/SENSOR.2003.1216947
Web of Science ID

WOS:000184567300262

Author(s)
Leonardi, Matteo  
Leuenberger, P.
Bertrand, Daniel
Bertsch, Arnaud  
Renaud, Philippe  
Date Issued

2003

Published in
BOSTON TRANSDUCERS'03: DIGEST OF TECHNICAL PAPERS
Volume

1

Start page

1043

End page

1046

Subjects

curvature

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LMIS4  
Event nameEvent placeEvent date
12th International Conference on Solid-State Sensors, Actuators and Microsystems

BOSTON, MASSACHUSETTS

JUN 09-12, 2003

Available on Infoscience
September 13, 2005
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/216196
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