Article ID Journal Published Year Pages File Type
6203947 Vision Research 2007 9 Pages PDF
Abstract

In this work, optical retardation (OR) was investigated in corneal stroma collagen fibers from nonobese diabetic (NOD) and healthy (BALB/c) mice. Linear dichroism (LD) was investigated in corneas stained with Ponceau SS and Toluidine Blue, using microspectrophotometer. NOD corneas showed higher OR values than the control. Ponceau SS-complexed collagen fibers showed positive LD that was higher for NOD corneas. After staining with Toluidine Blue, NOD and BALB/c corneas showed negative LD. The results of this study demonstrate that diabetes was capable of altering the corneal optical anisotropies, possibly altering the number of intermolecular crosslinks in collagen fibers.

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