Correcting Finger Counting to Snellen Acuity

Rustum Karanjia, Tiffany Jean Hwang, Alexander Francis Chen, Andrew Pouw, Jack J. Tian, Edward R. Chu, Michelle Y. Wang, Jeffrey Show Tran, Alfredo A. Sadun

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)219-221
Number of pages3
Issue number5
StatePublished - Sep 2 2016
Externally publishedYes


  • Count fingers
  • Snellen
  • visual acuity

ASJC Scopus subject areas

  • Ophthalmology
  • Clinical Neurology


Dive into the research topics of 'Correcting Finger Counting to Snellen Acuity'. Together they form a unique fingerprint.

Cite this