File:Treatise on the diseases of the eye, including the anatomy of the organ (1868) (14741961796).jpg

Identifier: treatiseondisea00stel (find matches)
Title: Treatise on the diseases of the eye, including the anatomy of the organ
Year: 1868 (1860s)
Authors: Stellwag von Carion, Karl, 1823-1904 Hackley, Charles E. (Charles Elihu), 1836-1925 Roosa, D. B. St. John (Daniel Bennett St. John), b. 1838
Subjects: Eye
Publisher: New York, W. Wood & 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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hylomata the names transparent or cicatritial total staphyloma of the globe are used. Under such circumstances the eye-ball sometimes appears egg-shaped, with theapex either anterior (Fig. 37) or posterior (Fig. 38), sometimes cylindrical, roundish,or quite irregular. The anterior scleral opening is almost always much enlarged, andconsiderable tension of the ciliary body, iris, and zonula, are thus caused. At thesame time the anterior scleral zone has a less inclination to, or is even parallel to, theoptic axis, so that the sclera passes into the cornea without there being any dividingfurrow between them. From the great.increase in size, the eye-ball projects from the orbit, pushes outthe lids, and impedes their closure. Some greatly dilated ciliary vessels appear on thesurface. The sclera is thinned in proportion to its increase in surface, and as thedark fundus of the eye shows through, it has a dark-blue look. If the dioptric 266 TOTAL SCLERO-CHOKOIDAL STAPHYLOMA. Fig. 3T. Pig. 38.
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media remain transparent and the light is favorable, the fundus, which has but littlepigment, reflects red light, or actually sparkles (amaurotic caPs-eye). Vision becomesvery limited, or even all perception of light may be gone. In transparent total staphyloma, tbe cornea is greatly protruded, thinned, andsomewhat greenish. The limbus conjunctivalis is much widened, as it participates inthe staphyloma. The anterior chamber appears increased in depth and extent, andfilled with pellucid, aqueous humor. The iris fs often discolored by progressingatrophy. Its breadth has increased, for the original circumference becomes greater,while the sluggish or fixed pupil changes its diameter but little. Not unfrequentlythe iris oscillates, as it is no longer supported by the lens, which, from enlargementof the anterior scleral opening and consequent rupture of the zonula, has lost itsattachments. The anterior capsule is often found cloudy from inflammatory deposi-tions, adherent to the pupillary m

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