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Field of view comparison between two‐dimensional and three‐dimensional endoscopy

Relative to microscopic transnasal surgery, endoscopic surgery provides improved visualization with an increased field of view. Advances such as high‐definition (HD) and three‐dimensional (3D) endoscopy have been introduced and clearly improve visualization. However, do both technologies maintain an increased field of view? We hypothesize that the field of view of 3D endoscopy is restricted relative to two‐dimensional (2D) HD endoscopy.