Frontiers in Visual Science pp 11-18 | Cite as
The Sensitivity of the Cornea in Normal Eyes
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Abstract
The human cornea is probably endowed with the greatest density of nerve fibres of any tissue in the body. For this reason it is assumed to be the most sensitive structure (1) a characteristic which is, of course, essential to elicit the palpebral reflex which shuts the eyelids and therefore protects the eye. The cornea is innervated by the long and short ciliary nerves which are branches of the ophthalmic division of the fifth cranial nerve. These nerves lose their myelin sheath as they enter the cornea from the limbus so as not to interfere with the transparency. Only free nerve endings and supposedly some Krause end bulbs have been observed histologically (2). In this paper we shall review some of the factors which influence corneal sensitivity in normal (that is, not pathological) eyes. This information is essential as the basis from which to differentiate what is normal from what is pathological.
Keywords
Contact Lens Trigeminal Neuralgia Corneal Edema Good Accord Wear Contact LensPreview
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