cornea (C, K)

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Introduction

The transparent structure forming the anterior 1/6 of the fibrous tunic of the eye.

It is continuous with the sclera which forms the remaining 5/6.

It has a radius of curvature of 7.7 mm

Function

  • it is the chief refractory structure of the eye.
  • the cornea is positively charged relative to the retina.

Structure

It consists of five layers:

Innervation

More general terms

Additional terms

Components

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999
  2. Grant's Atlas of Anatomy, 10th edition, AMR Agur & MJ Lee (eds), Lippincott Williams & Wilkins, Philadelphia, 1999
  3. National Eye Institute: Corneal conditions http://www.nei.nih.gov/health/cornealdisease