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Strabismus Volume 20, 2012 - Issue 4
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Original Article

Evaluation of Fixation Disparity Curve with the Modified Near Mallett Unit and the Wesson Fixation Disparity Card in Symptomatic and Asymptomatic Subjects

Hamed Momeni-MoghaddamHealth Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, IranCorrespondence[email protected]
, MSc,
Abbas A. YektaAssociate Professor of Optometry, School of Paramedical Sciences, Mashad University of Medical Sciences, Mashad, Iran
, PhD,
Marzieh EhsaniBSc of Optometry, School of Rehabilitation Sciences, Zahedan University of Medical Sciences, Zahedan, Iran
, BSc &
James KundartAssociate Professor of Optometry, College of Optometry, Pacific University, Forest Grove, Oregon, USA
, OD, MEd., FAAO
Pages 166-174 | Received 29 Dec 2011, Accepted 11 Apr 2012, Published online: 04 Dec 2012

REFERENCES

  • Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986;1(8576):307–310.
  • Brautaset RL, Jennings JA. Measurements of objective and subjective fixation disparity with and without a central fusion stimulus. Med Sci Monit 2006;12(2):1–4.
  • Brownlee GA, Goss DA. Comparison of commercially available devices for the measurements of fixation disparity and associated phorias. J Am Optom Assoc 1988;59(6):451–460.
  • Carter DB. Parameters of fixation disparity. Am J Optom Physiol Opt 1980;57(9):610–617.
  • Carter DB. Fixation disparity with and without foveal contours. Am J Optom Arch Am Acad Optom 1964;41:729–736.
  • Debysingh SJ, Orzech PL, Sheedy JE. Effect of a central fusion stimulus on fixation disparity. Am J Optom Physiol Opt 1986;63:277–280.
  • Dittemore D, Crum J, Kirschen D. Comparison of fixation disparity measurements obtained with the Wesson fixation disparity card and the Sheedy Disparometer. Optom Vis Sci 1993;70(5):414–420.
  • Frantz K, Scharre J. Comparison of Disparometer fixation disparity curves parameters as measured with and without the phoropter. Optom Vis Sci 1990;67(1):117–122.
  • Goss DA, Patel J. Comparison of fixation disparity curve variables measured with the Sheedy Disparometer and the Wesson fixation disparity card. Optom Vis Sci 1995;72(8):580–588.
  • Kromeier M, Schmitt C, Bach M, Kommerell G. Stereoacuity versus fixation disparity as indicators for vergence accuracy under prismatic stress. Ophthalmic Physiol Opt 2003;23(1):43–49.
  • Ngan J, Goss DA, DeSpirito J. Comparison of fixation disparity curve parameters obtained with the Wesson and Saladin fixation disparity cards. Optom Vis Sci 2005;82(1):69–74.
  • Ogle KN, Martens TG, Dyer JA. Oculomotor Imbalance: Binocular Vision and Fixation Disparity. Philadelphia, PA, USA: Lea & Febiger (1976).
  • Pickwell LD, Gilchrist JM, Hesler J. Comparison of associated heterophoria measurements using the Mallett test for near vision and the Sheedy Disparometer. Opthalmic Physiol Opt 1988;8(1):19–25.
  • Pickwell LD, Stockley LA. The position of the retinal images at the limits of fusion. Brit J Physiol Opt 1960;17:89–94.
  • Saladin JJ, Carr LW. Fusion lock diameter and the forced vergence fixation disparity curve. Am J Optom Physiol Opt 1983;60(12):933–943.
  • Scheiman M, Wick B. Clinical Management of Binocular Vision: Heterophoric, Accommodative and Eye Movement Disorders. 3th ed. Philadelphia, PA, USA: Lippincott Williams & Wilkins (2008).
  • Sheedy JE. Actual measurements of fixation disparity and its use in diagnosis and treatment. J Am Optom Assoc 1980a;51:1079–1084.
  • Sheedy JE. Fixation disparity analysis of oculomotor imbalance. Am J Optom Physiol Opt 1980b;57:623–639.
  • Sheedy JE, Saladin JJ. Association of symptoms with measure of oculomotor deficiency. Am J Optom Physiol Opt 1978;55(10):670–676.
  • Teitelbaum BA, Micca PJ, Jones GD, Thurn M, Lee T. Differentiation of asymptomatic patients from symptomatic patients by the slope of the forced vergence fixation disparity curve. Am J Optom Physiol Opt 1985;62:282–286.
  • van Haeringen R, McClurg P, Cameron KD. Comparison of Wesson and modified Sheedy fixation disparity tests. Do fixation disparity measures relate to normal binocular status? Ophthal Physiol Opt 1986;6(4):397–400.
  • Wesson MD, Koenig R. A new method for direct measurement of fixation disparity. South J Optom 1983;1:48–52.
  • Wick B. Forced vergence fixation disparity at distance and near in an asymptomatic young adult population. Am J Optom Physiol Opt 1985;62:591–599.
  • Wildsoet CF, Cameron KD. The effect of illumination and foveal fusion lock on clinical fixation disparity measurements with the Sheedy disparometer. Am J Optom Physiol Opt 1985;5:171–178.
  • Yekta AA. The clinical significance of fixation disparity in binocular vision. Unpublished dissertation, University of Bradford, UK; 1988.
  • Yekta AA, Pickwell LD, Jenkins TCA. Binocular vision, age, and symptoms. Ophthal Physiol Optics 1989;9(2):115–120.

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