PMID: 3766693Aug 1, 1986Paper

Studies in vertical fixation disparity

American Journal of Optometry and Physiological Optics
R P Rutstein, J B Eskridge

Abstract

We studied vertical fixation disparity (VFD) with the purpose of assisting the clinician in the evaluation of patients having vertical heterophoria and/or vertical anisometropia and in the prescription of an appropriate vertical prismatic correction. Our research shows that VFD represents a relatively stable and reliable measurement of the vertical deviation; provides the clinician with a mechanism to study a patient's ability to adapt to an induced vertical fusional demand; and provides a process to determine the amount of the vertical prismatic correction.

Citations

Dec 13, 2006·Optometry : Journal of the American Optometric Association·Richard London, Roger S Crelier
Oct 17, 2006·Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)·Claire I O'Leary, Bruce J W Evans
Mar 7, 2012·Strabismus·Danielle N Jackson, Harold E Bedell

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