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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 - Fig 4

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posted on 02.02.2017 by Nicola S. Anstice, Robert J. Jacobs, Samantha K. Simkin, Melissa Thomson, Benjamin Thompson, Andrew V. Collins

Bland Altman comparisons of visual acuity measurements between ETDRS and pediatric charts in adults (A-D) and children (E-H and I-L with two outliers removed). A positive bias indicates the second chart gave better acuities.

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