Excerpt from The Ophthalmoscope: Its Varieties and Its Use
The exact conditions of the luminosity, without any further explana~ tiou of it, were determined by Behr who, in describing a case of total irideremia in a girl, stated that, in order to see the reflection, the eye of the observer must look in a direction parallel to that of the rays incident upon the eye of the child; and that the luminosity diminished or disappeared as soon as the observer looked below the axis of vision of the eye observed.
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Artikel-Nr. LW-9780282929114
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