December 1962
Volume 1, Issue 6
Articles  |   December 1962
Immune Corneal Rings
Author Affiliations
    Department of Research, Wills Eye Hospital, Philadelphia, Pa.
    Department of Research, Wills Eye Hospital, Philadelphia, Pa.; St. Francis Hospital, Hartford, Conn.
    Department of Research, Wills Eye Hospital, Philadelphia, Pa.
Investigative Ophthalmology & Visual Science December 1962, Vol.1, 756-761. doi:
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      THEODORE W. SERY, ALEXANDER H. PINKES, ROSE MARIE NAGY; Immune Corneal Rings . Invest. Ophthalmol. Vis. Sci. 1962;1(6):756-761.

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      © ARVO (1962-2015); The Authors (2016-present)

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Intracorneal microinjections of foreign protein, conjugated to 1-131 as radioactive tracer, were diminished initially to an average of 71 per cent of the amount injected. After the first day as little as 14 per cent of the intended inoculum remained. However, this did not constitute true diffusion but early leakage of protein through the needle track. The remainder was slowly lost by diffusion at a rate of 10 per cent per day. A preliminary sensitization with 4 mg. of proteinintracutaneously 2 weeks prior to the injection of albumin intracorneally did not alter the rate of diffusion. This ivas true in spite of the occurrence of marked corneal inflammation during measurement of radioactivity. Mechanical trauma to the cornea when the diffusion of protein has achieveda constant rate did not alter this rate. The mechanism of formation of "systemic immune rings" was postulated to occur when the concentration of antigen had dropped to optimum levels for precipitation by specific serum antibody migrating in from the limbus. The precipitation served to attract inflammatory cells in from the limbal circulation, there by intensifying the ring reaction and explaining the phenomenon of centripetal ring migration.


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