The Boston medical and surgical journal . us Humor.*—A journeymanjoiner, aetat. 23, with convergent strabismus, came to Dr. Graefeto be operated upon. The patient said that the vision of the lefteye, which squinted, had been weak from childhood. The left iriswas only slightly less active than the right one, and of a yellowish-green color quite different from that of the right eye. This differ-ence, together with the squinting, the patients mother affirmed tobe congenital. Single letters, f in. in height, could be made outwith this eye. The ophthalmoscope showed a round, central, cir-cumscribed
The Boston medical and surgical journal . us Humor.*—A journeymanjoiner, aetat. 23, with convergent strabismus, came to Dr. Graefeto be operated upon. The patient said that the vision of the lefteye, which squinted, had been weak from childhood. The left iriswas only slightly less active than the right one, and of a yellowish-green color quite different from that of the right eye. This differ-ence, together with the squinting, the patients mother affirmed tobe congenital. Single letters, f in. in height, could be made outwith this eye. The ophthalmoscope showed a round, central, cir-cumscribed opacity, which looked like a posterior capsular cata-ract. A little behind this appeared a small bluish body, which, attached to adarker bullet-shaped bladder,seemed, with themovements of theeye, to float toand fro in thevitreous examinationwith the invert-ed image, how-ever, placed theform and positionof these parts ina different opacity ap-peared as a shin-ing, white, ovalfigure, as is shownin Fig. 4 at d. Fig. * This case was reported, with a colored drawing, by Dr. Liebreich, Dr. Graefes chief assistant Cysticerci within the Human Eye. 317 Behind and above it an oblong, bluish gray bladder extendedthrough almost the whole vitreous humor. The anterior pear-shaped end at c seemed to represent the head, the succeedingportion the neck, and the sharply-defined oval piece, the bladderof a cysticercus. A fine membrane evidently surrounded thewhole worm, and was continued backward in the form of a trans-parent sac (a) which could be traced to the bottom of the an irregular pigmentation on the retina, as shown in thefigure (f), there was a marked discoloration in the papilla (e), andthe retinal vessels were wanting in the outer and upper part. The movements of the body were confirmed by the differentparallaxes, thereby occasioned, of the several parts of the wormas they lay behind one another. After a prolonged examination,Dr. Graefe succeeded i
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