Dictionary > Xerophthalmia

Xerophthalmia

Definition
noun
Excessive dryness of the cornea and conjunctiva
Supplement
The dryness of the eyes is associated with the deficiency of vitamin A, trauma, autoimmune disorders, and localized disease. These factors result in the decrease in tear secretion, thus, leaving the eyes dry and lacking in eye surface lustre.
Word origin: Greek xeros (dry) + ophthalmos (eye)
Synonym(s):

  • xeroma
  • dry eye syndrome

See also:

  • xerosis
  • Mentioned in:

    • Vitamin a deficiency


    You will also like...

    DNA molecule
    Genetic Control – On and Off Genes

    Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..

    Circulation
    Circulation

    The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

    DNA - schematic
    Genetic Mutations

    This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

    dinosaurs
    The Dinosaurs

    Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

    Biological Cell Defense
    Biological Cell Defense

    Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

    Cell Respiration
    Cell Respiration

    Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..