visual deficiency

  • 1Visual phototransduction — is a process by which light is converted into electrical signals in the rod cells, cone cells and photosensitive ganglion cells of the retina of the eye.The visual cycle is the biological conversion of a photon into an electrical signal in the… …

    Wikipedia

  • 2visual defect — noun impairment of the sense of sight • Syn: ↑visual impairment, ↑vision defect, ↑visual disorder • Hypernyms: ↑disability, ↑disablement, ↑handicap, ↑impairment …

    Useful english dictionary

  • 3visual disorder — noun impairment of the sense of sight • Syn: ↑visual impairment, ↑visual defect, ↑vision defect • Hypernyms: ↑disability, ↑disablement, ↑handicap, ↑impairment …

    Useful english dictionary

  • 4visual impairment — noun impairment of the sense of sight • Syn: ↑visual defect, ↑vision defect, ↑visual disorder • Hypernyms: ↑disability, ↑disablement, ↑handicap, ↑impairment …

    Useful english dictionary

  • 5visual-field defect — Blind spot (scotoma) or area in the normal field of vision. It may be persistent or temporary and shifting, as in a migraine aura. The field may narrow, as in glaucoma. The normally small blind spot corresponding to the point where the optic… …

    Universalium

  • 6Nitrogen deficiency — A young cabbage plant exhibiting nitrogen deficiency. This is about nitrogen compounds in plant nutrition. For shortage of nitrogen compounds in human and animal nutrition, see protein deficiency. All plants require sufficient supplies of… …

    Wikipedia

  • 7colour vision deficiency —    Also known as colour blindness and anomalous colour vision. All three terms refer to the inability or diminished ability to distinguish between at least two colours. Although this group of visual deficiencies is traditionally known as colour… …

    Dictionary of Hallucinations

  • 8Iron deficiency anemia — For a discussion of iron deficiency more broadly, see the Wikipedia article iron deficiency. Iron deficiency anemia is the most common type of anemia, and is also known as sideropenic anemia. It is the most common cause of microcytic anemia. Iron …

    Wikipedia

  • 9Lecithin cholesterol acyltransferase deficiency — Classification and external resources ICD 10 E78.6 ICD 9 272.5 …

    Wikipedia

  • 10D-Bifunctional Protein Deficiency — (officially called 17 β hydroxysteroid dehydrogenase) is an autosomal recessive peroxisomal fatty acid oxidation disorder. Peroxisomal disorders are usually caused by a combination of peroxisomal assembly defects or by deficiencies of specific… …

    Wikipedia