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[Role of polarized light in the formation of images in the fundus of the eye. Preliminary results of a study of 130 cases].

On a basis of a series of a 130 color photographies registered under polarized light, we have studied the respective part of mass reflexions and of diffusions on the formation of fundus images. The results show that the retina is the main centre of mass reflexions which disappear in polarized light. The pigment (hemoglobin, melanin, etc...) become the main factors of the formation of fundus images. We conclude on the risks of errors which can be done by extrapolating the informations given by photography to assess the action of photocoagulation.