RELIABILITY OF FIXATION PREFERENCE FOR DETECTING AMBLYOPIA IN STRABISMIC PATIENTS

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ATARZADEH A.; HOSSEINIRAD A.; FARVARDIN M.; TALEBNEZHAD MOHAMMAD REZA; ALIPOUR ABAS

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Journal Paper

Paper Information

Journal: Journal of Ophthalmic and Vision Research Year:2009 | Volume:4 | Issue:3 Page(s): 160-163

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Title

RELIABILITY OF FIXATION PREFERENCE FOR DETECTING AMBLYOPIA IN STRABISMIC PATIENTS

Author(s)

Keywords

BINOCULAR FIXATION PATTERN

FIXATION PREFERENCE

STRABISMIC AMBLYOPIA

Abstract

Purpose: To evaluate the association between FIXATION PREFERENCE (FP) and amblyopia in strabismic patients. Methods: This study includes 50 patients with horizontal, vertical or mixed strabismus of at least 10 prism diopters. Best-corrected monocular visual acuity (VA) was measured using Snellen E-chart and the presence of amblyopia was determined accordingly; FP was evaluated and graded from 0 to 3.Results: Of 50 patients, including 27 female and 23 male subjects, 29 (58%) patients had FP but 18 (36%) subjects were truly amblyopic. Overall, the sensitivity and specificity of FP for detection of amblyopia was 88.9% and 59.4% respectively. The positive predictive value (PPV) and negative predictive value (NPV) were 55.2% and 90.5% respectively. Sensitivity, PPV and NPV were significantly higher in esotropic as compared to exotropic patients. Strong monocular FP was correlated with more than 3 lines of interocular difference (IOD) in visual acuity (P=0.001). Conclusion: Although FP is not an ideal method for diagnosis of STRABISMIC AMBLYOPIA, it has high sensitivity, PPV and NPV in esotropic patients and in subjects with more than 3 lines of IOD in VA.

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APA: Copy

ATARZADEH, A., HOSSEINIRAD, A., FARVARDIN, M., TALEBNEZHAD, MOHAMMAD REZA, & ALIPOUR, ABAS. (2009). RELIABILITY OF FIXATION PREFERENCE FOR DETECTING AMBLYOPIA IN STRABISMIC PATIENTS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH, 4(3), 160-163. SID. https://sid.ir/paper/311370/en

Vancouver: Copy

ATARZADEH A., HOSSEINIRAD A., FARVARDIN M., TALEBNEZHAD MOHAMMAD REZA, ALIPOUR ABAS. RELIABILITY OF FIXATION PREFERENCE FOR DETECTING AMBLYOPIA IN STRABISMIC PATIENTS. JOURNAL OF OPHTHALMIC AND VISION RESEARCH[Internet]. 2009;4(3):160-163. Available from: https://sid.ir/paper/311370/en

IEEE: Copy

A. ATARZADEH, A. HOSSEINIRAD, M. FARVARDIN, MOHAMMAD REZA TALEBNEZHAD, and ABAS ALIPOUR, “RELIABILITY OF FIXATION PREFERENCE FOR DETECTING AMBLYOPIA IN STRABISMIC PATIENTS,” JOURNAL OF OPHTHALMIC AND VISION RESEARCH, vol. 4, no. 3, pp. 160–163, 2009, [Online]. Available: https://sid.ir/paper/311370/en

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