Visual Acuity XL (0)

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VISUAL ACUITY XL for iPad (including Retina Display & mini) is KyberVision's mobile solution for vision care specialists: it brings computerized versions of the "gold standard" acuity testing on this popular mobile platform in the clinical environment and it provides an efficient and reliable assessment of visual acuity for literate & illiterate people as well as preschool children.

*** Validated by a study from University of Auckland, "An assessment of the iPad as a testing platform for distance visual acuity in adults", published in "BMJ Open", June 2013 ***

Moreover, VISUAL ACUITY XL follows the logMAR chart design recommended by the National Eye Institute (NEI) and the International Council of Ophthalmology (ICO) to address design flaws in the Snellen chart still found in most physicians' office.

*** Remote Mode ***

An optional and free companion app VISUAL ACUITY REMOTE for iPad, iPhone and iPod touch is also available to remotely control VISUAL ACUITY XL over Bluetooth or WiFi.

*** Exhaustive Documentation in PDF or iBooks format ***

To learn more about VISUAL ACUITY XL and VISUAL ACUITY REMOTE, check out the User Guide available online in PDF or iBooks format:

*** Full-Featured Acuity Testing ***

VISUAL ACUITY XL for iPad has many useful features for the clinical environment:

- Interactive LogMAR charts in landscape and portrait modes
- Randomized design to prevent subjects to memorize the test
- Near and Far Visual Acuity Assessment
- Custom configurations
- Mirror and TV-Out modes
- Custom luminance & contrast levels
- Keep track of visual acuity history, subject/patient information and prescription
- Exporting of acuity data through email in HTML format
- Units conversion tool
- Built-in & online PDF & iBooks documentation
- Information about common eye conditions you can share with your patient/subject
- Free remote control app Visual Acuity Remote for iPhone, iPad or iPod touch

Numerous options are also available to customize acuity testing:

- Simple or ETDRS acuity scoring
- Charts composed either of single letter, single line or multiple lines
- Standard optotypes (Landolt C, Tumbling E, Sloan, HOTV, Snellen)
- More specialized optotypes (Kid, Numbers, Cyrillic)
- Standard acuity units (foot, meter, decimal, VAR, logMAR, cpd)
- Black letter on white background or reverse
- Confusion bars
- 4 or 8 orientations for C and E optotypes
- Distance units and viewing distance up to 8 meters (26 feet)

*** About KyberVision Japan LLC ***

We are a Canadian-born Japanese company that provides Consulting, Research and Development services in the field of VISION SCIENCES. We also develop vision-related applications for the iOS and macOS platforms. Feel free to subscribe to our newsletter at


Release Notes

1/6/2018 | Version : 1.5.1 | Size : 22.4 MB
Fix an issue with the TV-Out option under iOS 11
Fix an issue with the export features

2/5/2013 | Version : 1.4 | Size : 16.2 MB
Compatibility with iOS 6
Support for iPad mini
Better support for "Airplay Mirroring" TV-Out (through Apple TV 2nd and 3rd generation)
Addition of "Kid", "Numbers", "Cyrillic" and "Snellen" optotypes
Addition of an aspect-ratio calibration step in the geometry calibration panel
One line improvement in displayable acuity range (e.g. 20/16 at 40cm with Retina Display)
Removal of 8 orientations option for Tumbling E test
Various bug fixes

Version : 1.3 | Size : 8.8 MB
Compatibility with iOS 5.1
Support for Retina Display in new iPad (allows near visual acuity measurement!)
Database backup & import through email with overwrite, append and merge capabilities
Support for TV-Out option on iPad 1
Disable report of luminance in TV-Out mode
Fix of a rare bug that causes a crash for some users

Screenshots iPad :

Screenshots iPad Screenshots iPad Screenshots iPad Screenshots iPad Screenshots iPad


Health & Fitness , Medical

Supported Devices
iPad2 Wifi, Wifi, 2 3G, 3G, 4th Gen, Mini 4G, 3rd Gen, Mini, 3rd Gen 4G, 4th Gen 4G, 2 Wifi, 2 3G, 3rd Gen, 3rd Gen 4G, 4th Gen, 4th Gen 4G, Mini, Mini 4G, Air, Air Cel, Mini Retina, Mini Retina Cel, Air 2, Air 2 Cel, Mini 3, Mini 3 Cel, Mini 4, Mini 4 Cel, Pro, Pro Cel, Pro 97, Pro 97 Cel, Wifi, 3G, 6.11, 6.12, 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 8.1.2, 8.3.4, 8.5.6, 8.7.8

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