Noninvasive Diagnostic Techniques in Ophthalmology

pp 189-210

Light Scattering from Cornea and Corneal Transparency

  • Russell L. McCally
  • , Richard A. Farrell

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Understanding the properties of the cornea that are essential to vision—its structural stability and transparency—is a long-standing endeavor that continues to intrigue a variety of researchers ranging from ophthalmologists to physicists.1–12 The transparency of a normal cornea results directly from the fact that the cornea does not absorb visible light, and the light that it scatters is minimal. The small amount of scattered light, however, carries information about the internal structural elements from which the light is scattered. Therefore measurements of this scattered light can be used to probe structures in fresh (unfixed) corneal tissue.