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Xerophthalmia

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
xerophthalmia /xe·roph·thal·mia/ (zēr″of-thal´me-ah) abnormal dryness and thickening of the conjunctiva and cornea due to vitamin A deficiency.
xe·roph·thal·mi·a (zîrf-thlm-)
n.
Extreme dryness of the conjunctiva resulting from disease localized in the eye or from a systemic deficiency of vitamin A. Also called xeroma.

Xerophthalmia
Xerophthalmia is a dry, thickened, lusterless condition of the eyeball resulting from vitamin A deficiency.

xerophthalmia
[zir′ofthal′mē·ə]
Etymology: Gk, xeros + ophthalmos, eye
a condition of dry and lusterless corneas and conjunctival areas, usually the result of vitamin A deficiency and associated with night blindness.

Dry Eye Syndrome
Dryness of eyes, often due to decreased tear secretion, which occurs in Sjögren syndrome, autoimmune disorders—systemic lupus, rheumatoid arthritis, scleroderma, sarcoidosis—amyloidosis, hypothyroidism, vitamin A deficiency, and in periorbital lymphoproliferative disorders

xerophthalmia (zir´ofthal´mē),
n dryness of the conjunctiva caused by functional or organic disorders of the lacrimal apparatus. It may be found in vitamin A deficiency or Sjögren's syndrome and may follow chronic conjunctivitis.

xerophthalmia
abnormal dryness and thickening of the surface of the conjunctiva and cornea due to a deficiency of vitamin A or to local disease.

xerophthalmia 
Extreme dryness of the conjunctiva and cornea due to a failure of the secretory activity of the mucin-secreting goblet cells of the conjunctiva. The conjunctiva and cornea lose their lustre and become skin-like in appearance. The condition may even propagate to the cornea and give rise to keratoconjunctivitis sicca and, if severe, keratomalacia. Xerophthalmia may be due to trauma, exposure or systemic deficiency of vitamin A, etc. Syn. xeroma; xerosis of the conjunctiva (if the cornea is not involved). See keratoconjunctivitis sicca; keratomalacia; mucin; Bitot's spot.

xerophthalmia


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The quantity of Rhodesian decreases eclipse vitamin a deficiency which leads to witching hour blindness Xerophthalmia ?
Deficiency of this vitamin in the body may lead to night blindness, and a condition called Xerophthalmia, which causes the conjunctiva to dry up.
Vitamin-A Deficiency Vitamin-A deficiency most commonly affects the eyes, the clinical condition being xerophthalmia and kratomalacia.
 
 
 
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