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Article
December 1961

The Ophthalmoscopic Sign "White with Pressure'': A Clinicopathologic Correlation

Author Affiliations

Iowa City
From the Department of Ophthalmology, State University of Iowa. College of Medicine.

Arch Ophthalmol. 1961;66(6):812-823. doi:10.1001/archopht.1961.00960010814007
Abstract

Introduction  Since the introduction of binocular indirect ophthalmoscopy and scleral depression by Schepens in 1945,1,2 this method has been extensively used in the study of normal and pathological conditions of the retina. With experience in this technique, a phenomenon called "white with pressure" has become evident; this manifestation requires scleral indentation for its appearance and has been depicted by Schepens in an earlier publication.3 The pathological appearance of retinal attenuation and vitreoretinal adhesions has also been described by Michaelson4 and Pau.5 However, no report of the pathological correlation of the "white with pressure" phenomenon has been presented to date and such a correlation is the purpose of this paper.The term "white with pressure" or "WWP" signifies an opacification of the retina noticed upon scleral depression. When one indents the sclera of a normal eye and observes the fundus with the indirect ophthalmoscope, a chorioretinal elevation

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