title: Correcting Finger Counting to Snellen Acuity.
abstract: In this paper, the authors describe an online tool with which to convert and thus quantify count finger measurements of visual acuity into Snellen equivalents. It is hoped that this tool allows for the re-interpretation of retrospectively collected data that provide visual acuity in terms of qualitative count finger measurements.
authors.affiliation: Doheny Eye Institute, Los Angeles, California, USA; Doheny Eye Center, David Geffen School of Medicine at UCLA, Los Angeles, California, USA; Ottawa Eye Institute, University of Ottawa, Ottawa, Canada; Ottawa Health Research Institute, Ottawa, Ontario, Canada.
authors.forename: Rustum
authors.initials: R
authors.lastname: Karanjia
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Tiffany Jean
authors.initials: TJ
authors.lastname: Hwang
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Alexander Francis
authors.initials: AF
authors.lastname: Chen
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Andrew
authors.initials: A
authors.lastname: Pouw
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Jack J
authors.initials: JJ
authors.lastname: Tian
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Edward R
authors.initials: ER
authors.lastname: Chu
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Michelle Y
authors.initials: MY
authors.lastname: Wang
authors.affiliation: Doheny Eye Institute , Los Angeles, California, USA.
authors.forename: Jeffrey Show
authors.initials: JS
authors.lastname: Tran
authors.affiliation: Doheny Eye Institute, Los Angeles, California, USA; Doheny Eye Center, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.
authors.forename: Alfredo A
authors.initials: AA
authors.lastname: Sadun
keywords: Count fingers; Snellen; visual acuity