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Original article

Normative percentage score for the field of binocular single vision

Authors:

Kate Shotton ,

Department of Ophthalmology, Royal Victoria Infirmary, Queen Victoria Road, Newcastle upon Tyne, NE1 4LP, GB
About Kate

Miss, BSc (Orthoptics)

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Teresa Smith,

Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, GB
About Teresa

BSc (Orthoptics)

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Ian Corbett,

Department of Oral and Maxillofacial Surgery, School of Dental Sciences, University of Newcastle upon Tyne, Newcastle upon Tyne, GB
About Ian

PhD BDS BSc MFDS RCSEdin

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Nick Strong

Department of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne, GB
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FRCOphth FRCS(Eng) PhD BChir MB

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Abstract

Aim: To establish the mean value for the field of binocular single vision (BSV) on the Goldmann perimeter in a visually normal population.

Methods: This was a prospective study on u visually normal, asymptomatic population. One hundred and nineteen participants completed the study. The field of BSV was evaluated using the III4e target on the Goldmann perimeter, and scored using the Sullivan template. Subgroup analysis was performed according to age to assess for age-related changes to the score.

Results: A score of 100% was rarely recorded for the participants. The overall population mean score was 04.43% (SD 4.25%; median 94.00%). One-way ANOVA test revealed a statistically significant reduction in the field of BSV with increasing age (p=0.0000). Correlation testing was performed (Pearson rank correlation r=-0.44).

Conclusion: Age-related normal scores were pro­duced and show strong evidence of a reduction in the field of BSV with increasing age.
DOI: https://doi.org/10.22599/bioj.228
How to Cite: Shotton, K., Smith, T., Corbett, I. and Strong, N., 2008. Normative percentage score for the field of binocular single vision. British and Irish Orthoptic Journal, 5, pp.39–41. DOI: http://doi.org/10.22599/bioj.228
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Published on 01 Jan 2008.
Peer Reviewed

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