Identifier: 101171377.nlm.nih.gov
Title: The human eye in health and disease : as seen with the ophthalmoscope
Year: 1865 (1860s)
Authors: Bader, Charles
Subjects: Eye Ophthalmoscopes
Publisher: (United States? : s.n.)
Contributing Library: U.S. National Library of Medicine
Digitizing Sponsor: Open Knowledge Commons, U.S. National Library of Medicine

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isc. The blood-vessels of the retina (three arteries and threeveins) diverge from the white portion of the optic disc. Along the margin of the optic disc towards the left weobserve a white crescentic-shaped figure. This is part of themargin of the sclerotic aperture. The choroid covering it istransparent, instead of being vascular and pigmented. Thered surface (sprinkled with irregularly-shaped brownish spots)which occupies the rest of the figure, represents the choroid,which is covered by transparent retina and subtended by thewhite sclerotic. The greater quantity of pigment in thechoroid gives it a more brownish-red tint, as compared withthe choroid represented in fig. 1. 18 The Human Eye in Health and Disease. Figs. 4, 5, 6. These figures represent, as regards size, shape, colour, &c,the optic discs as they appeared when examined with theophthalmoscope by the indirect method. Figs. 1, 2. 3 aregreatly enlarged views : Fig. 1, of fig. 4 ; fig. 2, of fig. 5 ;fig. 3, of fig. 6. •101171377.nlm.nih.gov
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