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Abstract #90297 Published in IGR 21-3

A Compact Optical Pressure Measurement System for Acquiring Intraocular Pressure and Ocular Pulse

Phan A; Joslin K; Truong P; Camp A; Talke FE
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2020; 2020: 4212-4216

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Frequent and accurate monitoring of intraocular pressure is an important aspect of glaucoma management and is central to timely therapeutic intervention and treatment optimization. Intraocular pressure is known to fluctuate not only throughout the day, but also as a function of the heart rate. This pulsatory pressure change behavior is known as the ocular pulse. In this study, we report on the measurement of the ocular pulse profile using a miniaturized intraocular pressure sensor implanted in the eye of a New Zealand White rabbit. The pressure sensor is based on the principle of interferometry and does not require an internal power source. The ocular pulse variation has been measured up to 5 Hz with an accuracy of +/- 0.15 mmHg using both a DSLR reader and a handheld smartphone reader.

Full article

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Classification:

5.3 Other (Part of: 5 Experimental glaucoma; animal models)
6.1.1 Devices, techniques (Part of: 6 Clinical examination methods > 6.1 Intraocular pressure measurement; factors affecting IOP)

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