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A comparison of Lea Symbols versus ETDRS letter distance visual acuity in a population of young children with a high prevalence of astigmatism
PURPOSE: To compare visual acuity results obtained using the Lea Symbols chart with results obtained using Early Treatment Diabetic Retinopathy Study (ETDRS) charts in young children who are members of a population with a high prevalence of astigmatism. METHODS: Subjects were 438 children aged 5 thr...
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| Autori principali: | , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
2009
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2764356/ https://ncbi.nlm.nih.gov/pubmed/19345596 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jaapos.2009.01.007 |
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