Pediatric Eye Disease Investigator Group (PEDIG)
     Jaeb Visual Acuity Screener©

The JVAS© (Jaeb Visual Acuity Screener) is a pediatric visual acuity screener meant for non-ophthalmic health care professionals. It uses gold-standard thresholds from accepted studies to determine if a child needs to be referred for ophthalmic evaluation.

This is Version 1.2, released September 2013.

To download the JVAS, please enter your name, email address, and company or institution below and click the "Download" button. Your email address will not be shared with anyone. We will use your email address to notify you if critical issues are discovered that could affect screening results. If you would also like to be notified when a new version is available for download, check the "Email me when a new version becomes available." box below.

Name*:   Installation Instructions:

1. Enter your name, email address, and institution then click the "Download" button.
2. Save the downloaded “” file to your computer.
3. Open and extract all files.
4. Navigate to the folder with the extracted files.
5. Open and print file named “HOTV Matching Card”
6. Open and print file named “Instructions”
7. Double-click the file named “JVAS.exe” to start the program.
Email Address*:  

* - Required Field

NOTE: The minimum system requirements for the JVAS are a desktop or laptop PC running Windows XP SP2 with .NET Framework 2.5 or newer.

For further information about JVAS, email

HOTV Matching Card.pdf
An HOTV Matching Card is included in the program download. You can download the matching card directly by clicking the link above.

JVAS Tutorial - Coming Soon!
A short video showing how to use the application.

© 2007 -2018 Jaeb Center for Health Research
All forms and reports on this site require Adobe Acrobat Reader. Click HERE to download a free copy of Adobe.
Although JCHR supports various web browsers, only Internet Explorer version 11 is fully tested and validated to function on this site.
This site utilizes popup windows.