12.07.2015 Views

Visual Acuity Assessment with Snellen and ETDRS Charts

Visual Acuity Assessment with Snellen and ETDRS Charts

Visual Acuity Assessment with Snellen and ETDRS Charts

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KaiserVISION SUBGROUPSSince it has been suggested that patients <strong>with</strong> worse visual acuity may have greater visual acuity differences when measured on<strong>Snellen</strong> vs <strong>ETDRS</strong> charts, the patients were retrospectively split into subgroups based on their <strong>Snellen</strong> vision score: good vision(20/20 to 20/50), intermediate vision (

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