Introduction: The primary goal of cholesteatoma surgery is to eradicate it from the middle ear cleft. However. due to linear axis of illumination of the microscope. in some of the recesses or hidden areas in middle ear are not visualised. https://www.spidertattooz.com/Nora-NEFLINTW-R6MPW-6-E-Series-FLIN-Round-LED-Downlight-27K-30K-35K-40K-50K-Selectable-120V/