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RELATIONSHIP BETWEEN ACCOMMODATION AND CONVERGENCE
Joseph I. Pascal, M.D.
37 W. 97th St. New York 25.
AMA Arch Ophthalmol. 1952;48(4):517.
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To the Editor:
—I ask your permission to make a few comments on the article entitled "Relationship Between Accommodation and Convergence" by Dr. M. W. Morgan Jr., published in the June, 1952, issue of the Archives, page 745.
- In referring to Dr. Haessler's contributions to the subject, Dr. Morgan says, "Even more startling is the claim of Haessler, who stated that positive accommodation is related to negative relative convergence."
Based on a series of tests, Dr. Haessler made such a claim and even said that from the results of his studies and graphs, "the maximum possible divergence of the optic axes of the eyes is greater when the eyes accommodate for a short distance than for a longer one" (Haessler, F. H.: Factor in Production of Divergence Increase with Near Vision, Am. J. Ophth. 18: 419, 1935).
However, the conclusions of Dr. Haessler were based on an erroneous interpretation of
. . . [Full Text PDF of this Article]
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