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To the Editor.
—In the June, 1956, issue of the Archives Mr. Bruce Cohan published a paper on his experiments using radiopaque materials to follow the outflow of aqueous from the anterior chamber of rabbits.Mr. Cohan is a very bright young man and his advisors at the University of Michigan are most able. These sort of experiments are certainly needed. The trouble in this case is that he set out to prove a theory that may or may not be true. He wanted to show that the aqueous is eliminated through the "aqueous veins" and therefore his interpretation of the obtained images is biased. To interpret this sort of indefinite image is very difficult anyway and imagination plays an unduly great role. It may be made from entirely different points of view and so lead to entirely different results.I happened to be present at the Toronto meeting where
Vesey FA. AQUEOUS HUMOR OUTFLOW: AN EXPERIMENTAL STUDY USING RADIOPAQUE MATERIALS. AMA Arch Ophthalmol. 1956;56(5):790. doi:10.1001/archopht.1956.00930040798019