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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
Anstice NS,
Jacobs RJ,
Simkin SK,
Thomson M,
Thompson B,
et al.
(2017)
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.
PLOS ONE 12(2): e0170839.
https://doi.org/10.1371/journal.pone.0170839