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William M. Hart, Jr, MD, PhD; Ross K. Hartz, MS

Arch Ophthalmol. 1982;100(2):312-318.

Abstract
• A display method has been developed for imaging the results of static perimetric examinations performed over contiguous areas of the central visual field. Points are examined using a rectangular coordinate pattern. A three-dimensional display surface is interpolated between the recorded points. A two-dimensional representation of the interpolated surface is then drawn, using superposition of foreground elements to produce an illusion of depth. Refinements of surface fit to the data points and truncation and rotation of the images allow immediate appreciation of visual field topography. The use of rectangular coordinate patterns increases the probability of detection of small defects and improves the resolution of structural detail.

Author Affiliations
From the Department of Ophthalmology (Dr Hart) and the Biomedical Computer Laboratory (Mr Hartz), Washington University School of Medicine, St Louis. Mr Hartz is now at the University of Texas Health Sciences Center, Houston.

Footnotes
Accepted for publication March 2, 1981.

Reprint requests to Department of Ophthalmology, Box 8096, Washington University School of Medicine, 660 S Euclid Ave, St Louis, MO 63110 (Dr Hart).

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ABSTRACT