The value of stereophotography as a means of permanent clinical record and teaching ophthalmology is well recognized. Especially valuable is the ability to photograph minute pathologic conditions of the anterior eyeball under magnification. Stereopictures have been available for many years. They were, however, produced under great difficulty. To obtain them was a matter of not a little expense as well as painstaking effort on the part of the pioneers in this field.
Some twenty-five years ago, Druner1 constructed a stereocamera for photographing objects for the study of comparative anatomy and biology. I have had one of these cameras for years, but abandoned its use after a few trials which resulted in a good picture only now and then. The reason for these failures was the necessity of changing the focusing ground glass for the plate holder while the patient's eye was supposed to remain fixed. This took some time,
VON DER HEYDT R. STEREOPHOTOGRAPHY OF THE ANTERIOR EYEBALL AND FUNDUS. JAMA. 1927;89(20):1672–1674. doi:10.1001/jama.1927.02690200024008
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