Conjunctival Xerosis Definition

Desiccation of the conjunctiva due to a vitamin A deficiency.

Conjunctival xerosis due to vitamin a deficiency. -

Fig. 4.5 a Kerat-inization of the superficial epithelial cells causes the surface of the conjunctiva to lose its luster.

Conjunctival xerosis due to vitamin a deficiency. -

Conjunctival Xerosis
b The keratinized epithelial cells die and create characteristic Bitot's spots in the palpebral fissure.

Epidemiology: Due to the high general standard of nutrition, this disorder is very rare in the developed world. However, it is one of the most frequent causes of blindness in developing countries.

Etiology: Vitamin A deficiency results in keratinization of the superficial epithelial cells of the eye. Degeneration of the goblet cells causes the surface of the conjunctiva to lose it luster (Fig.4.5a). The keratinized epithelial cells die and are swept into the palpebral fissure by blinking, where they accumulate and create characteristic white Bitot's spots (Fig. 4.5b). Xerosis bacteria frequently proliferate.

Treatment and prognosis: The changes disappear after local and systemic vitamin A substitution. Without vitamin A substitution, the disorder will lead to blindness within a few years.

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Responses

  • harding hogpen
    What is conjunctional xerosis?
    3 years ago
  • DAPHNE PALERMO
    What is xerosis of conjuctiva?
    3 years ago
  • ayana
    What is conjunctival xerosis?
    2 years ago
  • rosario ferrari
    What is the meaning of conjunctival xerosis?
    2 years ago
  • salvia
    What is cinjunctival xerosis?
    2 years ago
  • elga pisani
    What is conjuntival xerosis?
    2 years ago
  • Samlad
    What is conjuctival xerosis?
    2 years ago
  • patricia
    What happaned to conjuntiva in conjunctival xerosis?
    2 years ago
  • tekle
    What is conjunctival xerosis meann?
    2 years ago
  • Mario
    What conjunctival xerosis means?
    2 years ago
  • benjamin
    What is conjuctivial xerosis?
    2 years ago
  • Nadine
    How to elicit conjunctival xerosis?
    1 year ago
  • Gilly
    What is the hindi meaning of conjunctival xerosis B?
    1 year ago
  • Asmeret
    What is xerosis conjunctivae?
    1 year ago
  • Cecilia
    What is xerosis conjunctivac?
    11 months ago
  • sven
    What is xerosis conjunctiva?
    9 months ago

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