Do picture-based charts overestimate visual acuity? Comparison of Kay Pictures, Lea Symbols, HOTV and Keeler logMAR charts with Sloan letters in adults and children.

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Title

Do picture-based charts overestimate visual acuity? Comparison of Kay Pictures, Lea Symbols, HOTV and Keeler logMAR charts with Sloan letters in adults and children.

Content partner

The University of Auckland Library

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ResearchSpace@Auckland

Description

Children may be tested with a variety of visual acuity (VA) charts during their ophthalmic care and differences between charts can complicate the interpretation of VA measurements. This study compared VA measurements across four pediatric charts with Sloan letters and identified chart design features that contributed to inter-chart differences in VA.VA was determined for right eyes of 25 adults and 17 children (4-9 years of age) using Crowded Kay Pictures, Crowded linear Lea Symbols, Crowded ...

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Format

Research paper

Research format

Journal article

Date created

2017-02

Creator

Anstice, Nicola / Jacobs, Robert / Simkin, Samantha / Thomson, M / Thompson, Benjamin / Collins, Andrew

URL

http://hdl.handle.net/2292/35497

Related subjects

Humans / Vision Disorders / Vision Tests / Reproducibility of Results / Age Factors / Visual Acuity / Adolescent / Adult / Middle Aged / Child / Child, Preschool / Young Adult

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