There are different ways to visualize the vocal cords in action.
70° Rigid Endoscope
Flexible Fiberoptic Endoscope
Chip-On-Tip Flexible Endoscope
Differences in both image & light quality are explained with video samples on this webpage.
Dr. Christopher Chang is a private practice otolaryngology, head & neck surgeon specializing in the treatment of problems related to the ear, nose, and throat. Located in Warrenton, VA about 45 minutes west of Washington DC, he also provides inhalant allergy testing/treatment, hearing tests, and dispenses hearing aids.
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