This technique involves measuring the optical transmittance of the ear at how many wavelengths?

This technique involves measuring the optical transmittance of the ear at how many wavelengths? Correct Answer 8

In brief, the technique involves measuring the optical transmittance of the ear at 8 wavelengths in the 650 to 1050 nm range. A 2.5 m long flexible fibre ear probe connects the patient to the instrument.

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