Stroboscope

Stroboscope (laryngoscopy) - monitoring the movement of the true vocal cords by indirect laryngoscopy using intermittent light. Stroboscope gives the opportunity to adjust the frequency of the light pulse frequency true vocal cords investigated. When electronic stroboscopie setup is done automatically.
If the frequency of the light pulses coincides with the frequency of oscillations of the true vocal cords, they seem to be fixed. When artificial frequency shift of light pulses strobe against the vibrations of the vocal cords become visible of their movements. Stroboscope is used to determine the functional and organic lesions of the larynx. Cm. also Laryngoscope.