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To the Editor.—Better equipment for examination of the larynx is available, eg, a fibroscope and telescope for a clearer, sharper, and brighter image. These are expensive, and beyond the scope of an otolaryngologist practicing in the Third World countries.
There are two inexpensive ways to obtain a clearer, magnified view of the larynx by an indirect laryngoscopic method. One is with the use of a laryngeal concave mirror. This gives an inverted magnified image of the larynx, besides focusing the light on the larynx where small lesions of the larynx and vocal cords can be seen. Another method is with the use of a plain laryngeal mirror with the examiner wearing a magnifying loop (+4 diopters), thus obtaining a magnified erect virtual image. This loop was used for mastoid surgery in earlier years before the advent of the operating microscope. Both of these methods give a fairly adequate magnification
RAMAN R. Laryngeal Examination. Arch Otolaryngol Head Neck Surg. 1988;114(5):578–579. doi:10.1001/archotol.1988.01860170108031
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