TY - JOUR
T1 - Intraocular pressure remote photonic biomonitoring based on temporally encoded external sound wave stimulation
AU - Bennett, Aviya
AU - Beiderman, Yevgeny
AU - Agdarov, Sergey
AU - Beiderman, Yafim
AU - Ozana, Nisan
AU - Belkin, Michael
AU - Zalevsky, Zeev
N1 - Publisher Copyright:
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE).
PY - 2018/11/1
Y1 - 2018/11/1
N2 - Continuous noninvasive measurement of intraocular pressure (IOP) is an important tool in the evaluation process for glaucoma. We present a methodology enabling high-precision, noncontact, reproducible, and continuous monitoring of IOP based on the value of the damping factor of transitional oscillations obtained at the surface of the eye after terminating its stimulation by a sound wave. The proposed configuration includes projection of a laser beam and usage of a fast camera for analyzing the temporal-spatial variations of the speckle patterns backscattered from the iris or the sclera following the above-mentioned sound waves external stimulation. The methodology was tested on an artificial eye and a carp fish eye under varying pressure as well as on human eyes.
AB - Continuous noninvasive measurement of intraocular pressure (IOP) is an important tool in the evaluation process for glaucoma. We present a methodology enabling high-precision, noncontact, reproducible, and continuous monitoring of IOP based on the value of the damping factor of transitional oscillations obtained at the surface of the eye after terminating its stimulation by a sound wave. The proposed configuration includes projection of a laser beam and usage of a fast camera for analyzing the temporal-spatial variations of the speckle patterns backscattered from the iris or the sclera following the above-mentioned sound waves external stimulation. The methodology was tested on an artificial eye and a carp fish eye under varying pressure as well as on human eyes.
KW - Fourier optics and signal processing
KW - intraocular pressure
KW - lasers
KW - medical optics instrumentation
KW - optics
KW - pattern recognition
KW - speckle
UR - http://www.scopus.com/inward/record.url?scp=85056647420&partnerID=8YFLogxK
U2 - 10.1117/1.JBO.23.11.117001
DO - 10.1117/1.JBO.23.11.117001
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C2 - 30444086
AN - SCOPUS:85056647420
SN - 1083-3668
VL - 23
JO - Journal of Biomedical Optics
JF - Journal of Biomedical Optics
IS - 11
M1 - 117001
ER -