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Part II. Human Retinal Vessels Studied in Three Dimensions

DANIEL TOUSSAINT, M.D.; TOICHIRO KUWABARA, M.D.; DAVID G. COGAN, M.D.

Arch Ophthalmol. 1961;65(4):575-581.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Trypsin digestion of the retina has been advantageously employed to study the morphology of retinal vessels in flat mounts.¹ These two-dimensional observations, however, are inadequate for the study of the relationships of the vessels, particularly of the capillaries, to each other at various depths in the retina. It is our purpose in this communication, therefore, to report experience with preparation of trypsin-digested retinas examined in three dimensions.

The retinas were first treated with trypsin as previously described.¹ After incubation the isolated vessels were returned to 10% formalin for 10 or more hours, and then stained either by brief immersion in methylene blue or Paragon solution or by adding a few drops of the dye to an aqueous solution in which the vessels were suspended. The vessels were examined with a dissecting microscope (magnification 2080 x) while suspended in a water medium or after they had been embedded in . . . [Full Text PDF of this Article]

Author Affiliations
Boston

North Atlantic Treaty Organization Fellow (Dr. Tousaint).; Howe Laboratory of Ophthalmology, Harvard University Medical School, Massachusetts Eye and Ear Infirmary.

Footnotes
Submitted for publication Jan. 19, 1961.

This investigation was supported by a PHS Research Grant H-4051, from the National Heart Institute, U.S. Public Health Service.

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