Polarized light has been used for a number of years in commercial photography to eliminate glare, but, to my knowledge, after a careful search through the available literature, it has not been used for photography of lesions of the mouth. Since distracting high lights are often observed in photographs of lesions of the mouth, it was thought that a method to use polarized light would be useful.
A method was employed in which polaroid® filters were placed in the light source and over the camera lens. The filters were rotated until all glare had Apparatus for the use of polarized light in color photography of mucous membranes. Polaroid® filters are indicated by A, B and C. been eliminated from the image on the ground glass screen. This procedure, however, greatly reduced the total amount of light that reached the film. Since color film has a slow emulsion speed, it
GARRARD HF. USE OF POLARIZED LIGHT IN COLOR PHOTOGRAPHY OF MUCOUS MEMBRANES. Arch Derm Syphilol. 1949;60(3):425. doi:10.1001/archderm.1949.01530030121012
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