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Neuro-Ophthalmology Volume 40, 2016 - Issue 5
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Original Article

Correcting Finger Counting to Snellen Acuity

Rustum KaranjiaDoheny 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, CanadaCorrespondence[email protected]
,
Tiffany Jean HwangDoheny Eye Institute, Los Angeles, California, USA
,
Alexander Francis ChenDoheny Eye Institute, Los Angeles, California, USA
,
Andrew PouwDoheny Eye Institute, Los Angeles, California, USA
,
Jack J. TianDoheny Eye Institute, Los Angeles, California, USA
,
Edward R. ChuDoheny Eye Institute, Los Angeles, California, USA
,
Michelle Y. WangDoheny Eye Institute, Los Angeles, California, USA
,
Jeffrey Show TranDoheny Eye Institute, Los Angeles, California, USA
&
Alfredo A. SadunDoheny Eye Institute, Los Angeles, California, USA;Doheny Eye Center, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
 show all
Pages 219-221 | Received 12 Jun 2016, Accepted 30 Jun 2016, Published online: 22 Aug 2016
 
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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.

Acknowledgements

The authors wish to acknowledge the contribution of Prof. William B. Hoyt, without whom neuro-ophthalmology would not be the field it is today.

Declaration of Interest

Disclosures: Dr. Rustum Karanjia has worked in the past as a consultant for Stealth Biotechnologies and is not currently a consultant for Stealth; Dr. Alfredo A. Sadun received unrestricted grant support from Stealth Biotechnologies and Edison Pharmaceuticals. There was no funding from Stealth Biotechnology or Edison Pharmaceuticals for this project. The authors alone are responsible for the content and writing of the paper.

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