About the Cover
Cover: A low-angle synchrotron x-ray diffraction pattern from cornea recorded on a multi-wire x-ray detector. The blue rectangle is the shadow of a lead block used to stop the x-rays that pass through the cornea undeviated. Red indicates regions of heightened x-ray intensity. The broad circular x-ray reflection is formed by the interference of x-rays scattered by stromal collagen fibrils, and its position allows measurement of the average center-to-center collagen interfibriller spacing. The reflection is lobed with approximate four-fold symmetry because of the preferential orthogonal orientation of collagen. See article by Quantock et al. on page 1750 of this issue.
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Copyright © 2003 by the Association for Research in Vision and Ophthalmology
