January 1978
Volume 17, Issue 1
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Articles  |   January 1978
Collagen crosslinking in keratoconus.
Investigative Ophthalmology & Visual Science January 1978, Vol.17, 63-65. doi:
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      D J Cannon, C S Foster; Collagen crosslinking in keratoconus.. Invest. Ophthalmol. Vis. Sci. 1978;17(1):63-65.

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

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Abstract

The examination of reducible collagen crosslinks in keratoconus cornea revealed the presence of lysinonorleucine in amounts far greater than in normal age-matched corneas. There was no indication of decreased hydroxylysine levels in keratoconus, and there were no clinical indications of a generalized connective tissue disorder. The abnormal levels of dehydrolysinonorleucine in the tissue may represent a change in hydroxylation of selected lysyl residues of normal collagen or the synthesis of abnormal collagen, perhaps an unusual type.

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