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Heimann-Bielschowsky phenomenon

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Heimann-Bielschowsky phenomenon is a feature peculiar to dissociated vertical deviation. In unilateral impairment of vision, if illumination of the fixating eye is progressively decreased, the dissociated eye rotates downward with no change in the position of the fixating eye. Jerk nystagmus. The phenomenon is sometimes seen in squint.


  • E. Heimann:
    Einseitiger nystagmus.
    Klinische Monatsblätter für Augenheilkunde, 1902, 49: 99-105.
    This is the journal, year and volume given in all references to the above article on the www. However, correct volume for the year 1902 of this journal is 40.
  • A. Bielschowsky:
    Die einseitigen und gegensinningen (dissoziierten) Vertikal-bewegungen der Augen.
    Albrecht von Graefes Archiv für Ophthalmologie, Berlin, 1931, 125: 493-553.
  • K. Davey, L. Kowal, R. Friling, Z. Georgievski:
    The Heimann-Bielschowsky phenomenon.
    Strabismus, 5(1), 34. Buren, The Netherlands, Aeolus Press. 1997.
  • K. Davey, L. Kowal, R. Friling, Z. Georgievski & J. Sandbach:
    The Heimann-Bielschowsky phenomenon: Dissociated vertical nystagmus.
    Australian and New Zealand Journal of Ophthalmology, Sydney, 1998, 26: 237-240.
  • J. L. Smith, J. T. Flyn, H. J. Spiro:
    Monocular vertical oscillations of ambliopia: the Heimann - Bielschowsky phenomenon.
    Journal of Clinical Neuro-Ophthalmology, New York, 1982, 2: 85-91.

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