The aim of phonosurgery is to improve voice quality and efficiency by performing precise, minimally invasive, conservative treatment. Magnified visualization of the vocal folds is mandatory to achieve optimal results; operative microscopy has been utilized so far to perform phonosurgery. In recent decades, the use of an exoscope (extracorporeal telescope) has been proposed in several fields of surgery that necessitate magnification. Further technological advancements have enabled 3-dimensional (3D) technology to be added to existing exoscopes.
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