iPad Quality Index

Visual Acuity XL

Visual Acuity XL

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VISUAL ACUITY XL for iPad (including Retina Display & mini versions) 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 ***


Contrarily to most other apps, VISUAL ACUITY XL is also optimized to take advantage of the RETINA DISPLAY of the new iPad which now makes possible to assess NEAR VISUAL ACUITY, that is AT READING DISTANCE (40 cm or 16"). All other tests available for the iPad so far could ONLY assess FAR VISUAL ACUITY and COULD NOT even measure normal visual acuity (20/20) at a distance less than 65 cm or 2 ft (see our HTML widget to learn more: http://acuity.kybervision.com).

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 (RETINA DISPLAY in new iPad supported!!!)
- Mirror and TV-Out modes (through Airplay Mirroring to AppleTV as well)
- Custom luminance level
- 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 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)
- More specialized optotypes (Kid, Numbers, Cyrillic, Snellen)
- 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 ***

We are a CANADIAN company that provides Consulting, Research and Development services in the field of VISION SCIENCES. We also develop vision-related applications for the iOS and OSX platforms. Feel free to subscribe to our newsletter at http://ios.kybervision.com.
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Quality Index
2 reviews
Formats(s): iPadWifi, iPad3G, iPad2Wifi, iPad23G, iPadThirdGen, iPadThirdGen4G, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G
Genre(s): Medical, Health & Fitness
Filesize: 16MB
Age rating: 4+
App version: 1.4
Visual Acuity XL image #1
26 Nov 2012
Version: 1.4
29 Mar 2012
Version: 1.3
16 Feb 2012
Version: 1.2
27 Sep 2011
Version: 1.1
01 Jul 2018
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