Category: I

  • Indapamide

    A thiazide-like diuretic that can serve as an antihypertensive agent. Diuretic used in the treatment of hypertension. Adverse effects are mild and include headache, dizziness, fatigue, and weakness. Indapamide is a type of diuretic medication used to treat high blood pressure, or hypertension. Potential side effects may involve headaches, tiredness, and muscle cramps. Less frequently,…

  • Inborn errors of metabolism

    Genetic diseases of metabolism caused by a mutation in specific genes for specific proteins, be they enzymes, carriers, membrane components, or intracellular materials. A group of inherited disorders of metabolism, many of which are associated with mental retardation. Inborn errors of metabolism usually involve deficiencies of enzymes needed to carry out an important chemical reaction.…

  • Impedence

    The opposition to an alternating current composed of two elements: resistance and reactance.  

  • Immunoactive bacterial endotoxins

    Toxic substances produced by food-borne microorganisms.  

  • Ileocecal valve

    The valve at the junction between the large and small intestines. Valve between the ileum of the small intestine and the cecum of the large intestine that prevents the back-flow of material from the large to the small intestine. A valve at the junction of the small and large intestines consisting of two membranous folds…

  • Idiosyncratic reaction

    An individual’s intolerance of a certain food or additive. The underlying mechanism is unknown.  

  • Idiopathic disease

    A disease of no known cause. A disease for which no causative factor can be recognized.  

  • lensometer

    An instrument used for measuring the vertex power of a lens.  

  • Internal astigmatism

    Astigmatism due to the back surface of the cornea, the tilt of the crystalline lens, and other factors within the eye (often referred to as residual astigmatism).  

  • Intermediate curve

    A back surface curve of a contact lens, which may be situated between the base curve and the secondary curve, or between the base curve and the peripheral curve.