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Infrequent blinking
    Differential Diagnosis[Top] [Nav]
parkinsonism, thyrotoxicosis
    Discussion -- not available online[Top] [Nav]
    Update Comments[Top] [Nav]
  • Recall the existence of blepharospastic disorders, such as Meige disease. [103]
  • Another sketchy description of the Stellwag sign. [104]
  • In a study of 104 healthy office workers, blinks per minute averaged 22 in relaxed conditions, 10 while reading a book, and 7 while viewing text on a video display. [105]
  • Says liars are prone to frequent blinking and fidgeting. [106]
  • More on blinking psychology. Mentions the furious blinking during Nixon's resignation speech. Says presidential candidates tend to blink more when asked tough questions. [107]
    Footnotes in Print Edition[Top] [Nav]
    (1) Spontaneous eye-blink rates and dopaminergic systems.
  Karson CN.   Brain 1983 Sep;106 (Pt 3):643-53.  Pubmed+Abstract  Similars
    (2) DeGowin & DeGowin's Bedside Diagnostic Examination. 5th ed.
  DeGowin RL. NY: Macmillian, 1987: 81.   Amazon.com
    (3) The devil's disorder.
  Handler L.   Hippocrates. 1987;1(4):66-71.
    New References[Top] [Nav]
Blink physiology and pathophysiology
    101.Exophthalmos, stare, increase in intraocular pressure and systolic propulsion of the eyeballs due to congestive heart failure.
  Earnest DL, Hurst JW.   Am J Cardiol 1970 Oct;26(4):351-4.  Pubmed  Similars
    102.Blinking, alpha brain waves and smoking in schizophrenia.
  Klein C, Andresen B, et al.   Acta Psychiatr Scand 1993 Mar;87(3):172-8.  Pubmed+Abstract  Similars
    103.Recall the existence of blepharospastic disorders, such as Meige disease.
    104.Thyroid Eye Disease.
  Char DH. Baltimore: Williams & Wilkins, 1985: 39.   Amazon.com
Blink psychology
    105.Dry eyes and video display terminals [letter].
  Tsubota K, Nakamori K.   N Engl J Med 1993 Feb 25;328(8):584.  Pubmed  Similars
    106.What gives liars away.
  Carey B.   In Health. Jan/Feb 1990:30-31.
    107.Blinking and thinking.
  Jaret P.   In Health. Jul/Aug 1990:36-37.
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    ©1986-2000 John Sotos, MD. All rights reserved.  Last updated 16:34 PDT on July 4, 2000.[Top]

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