[Skip to Navigation]
March 1964


Author Affiliations

Jefferson Medical College 1025 Walnut St Philadelphia, Pa

Arch Ophthalmol. 1964;71(3):452. doi:10.1001/archopht.1964.00970010466034

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


Dr. Loewenfeld's letter was referred to Drs. Jaeger, Weeks, and Duane, who offer the following reply:

To the Editor:  —Dr. I. Loewenfeld has presented her case. We are pleased she agrees that in the experiments described by us the defect is chiefly in the retinal portion of the afferent arc. The exact quote "the chief defect in the experiments described by them etc." is perhaps a Freudian slip.We readily admit that the pupillary sphincter—indeed the entire iris of a pressurized eye may be functioning abnormally. However, it is unlikely that experiments in cats and dogs with sustained increased intraocular pressure have much relevance to the transient conditions of our studies confined to humans. Nor do we believe the dilated pupil of glaucoma has much in common with our observations.We are not certain what "uncomplicated impairment of the afferent arc" means. If anisocoria is inherently excluded by definition, then

First Page Preview View Large
First page PDF preview
First page PDF preview
Add or change institution