D6.3 - Intensity based optical measurement of cornea vibration

J. Osmers, M. Sorg & A. Fischer
In order to measure the dynamic behavior of eyes for yielding the intraocular pressure an optical, intensity-based sensor approach is developed. The challenge is to emit less than 1 mW of power to avoid harming the eye while coping with the low reflection of the eye of 4% for normal incidence. With solely analog infrared diodes and phototransistors the vibration of the cornea of an enucleated porcine eye is demonstrated to be detectable for the...
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