Mast cells: Cells that initiate allergic
reactions by releasing histamines and other pro-inflammatory mediators in the
presence of allergens.
Histamine: A pro-inflammatory mediator released
by mast cells in the presence of allergens. Histamine causes the red, watery,
itchy eyes associated with ocular allergies.
Disappearing or transient preservative: A
common additive found in artificial tears, this is an agent that rapidly
degenerates into oxygen and water when it contacts the tear film.
Fairness to Contact Lens Consumer Act: A
new law enacted in February 2004 that requires all eyecare practitioners to
release a patient's contact lens prescription immediately after fitting. For
details, download a free PDF from www.regulation.gov/fredpdfs/04-02235.pdf.
Corneal reshaping therapy: An alternative
vision correction therapy that uses a series of reverse geometry contact lenses
to correct myopia.
Contact Lens Spectrum, Issue: May 2004