File:A treatise on the diseases of the eye (1883) (14804321593).jpg

Identifier: treatiseondiseaseso00well (find matches)
Title: A treatise on the diseases of the eye
Year: 1883 (1880s)
Authors: Wells, J. Soelberg (John Soelberg), d. 1879 Bull, Charles Stedman, 1844-1912
Subjects: Eye Eye Diseases
Publisher: Philadelphia, C. Lea's son & co.
Contributing Library: Yale University, Cushing/Whitney Medical Library
Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

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ntozoon, and it is studded with small white dots (chalky par-ticles). At the head, two suckers can be recognized, the other two being placedposteriorly. The buccal extremity is directed upwards. The small, circular, grayspots which partly encircle the vesicle, are caused, according to Liebreich, by apeculiar opacity of the vitreous humor due to the suction of the entozoon, and arequite characteristic of the presence of a cysticercus. Fig. 10.Detachment of the Retina (p. 532). Fig. 10 represents a case of old-standing and extensive detachment of the retina.The lower half of the retina (which shows a tolerable sharply-defined edge towardsthe left) bulges forwards into the vitreous humor, and is thrown into well-markedfolds, and on this account, as well as of the color of the subjacent fluid, it shows apeculiar greenish-gray tint. The retinal vessels are undidating and tortuous, ridingon the folds of the retina, and they assume a darker tint in consequence of the graybackground. Plate \^
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After Lieoi-eichs Atlas 62 818 EXPLANATION OF THE PLATES. PLATE VI. Figs. 11 and 12.Atrophy of the Optic Nei-ve (p. 572). Fig. 11 shows the appearances presented by atrophy of the optic nerve, in apatient affected with locomotor ataxy. The disk is sHghtly excavated, and of thepecuUar bluish mottled tint, so frequently observed in the atrophy dependent uponspinal disease. The arteries are small and attenuated. Fig. 12 repre.sents a caseof white atrophy after meningitis. The disk is very white, and faintly cupped.The arteries are much diminished in calibre, and some of the veins (as some ofthose in Fig. 11) show a well-marked, white streak along their margin, which isdue to sclerosis of the tunica adventitia. Figs. 13 and 14.Optic Neuritis (p. 556). In Fig. 13 is represented the swollen and enlarged papilla consequent upon opticneuritis, the opacity of the disk being dense and markedly striated. The retinalveins are enlarged and tortuous, the arteries diminished in size, and, here and t

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