J Korean Ophthalmol Soc.  1971 Dec;12(4):145-147.

On the Ratio to the Physiologic Cupping and Optic Disc. and Optic Disc

Affiliations
  • 1Department of Ophthalmology, School of Medicine, Pusan National University, Pusan, Korea.

Abstract

A method of charting and scoring the optic disc and cupping from fundus color photographs is presented. The imase that the color slides were projected on the graphic sheet was traced and calculated C/D ratio as horizontal diameter and mensuration of division by measure. The result showed statiscal significancy in calculation of the C/D ratio as mensuration of division in cases which the cupping showed irregular form.

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