Peristat™ Visual Field Test

Are there hidden blind spots in your vision? Is your optic nerve function healthy? Peristat™ can help…

Take Test

You will need a referral code from your doctor to take the test.

The Importance of Peripheral Sight

20/20 vision does not always mean healthy eyes. In fact, many people with glaucoma, retinal detachment, stroke or other vision-threatening conditions can have significant visual impairment despite 20/20 reading vision. Hidden blind spots can go unnoticed in the corner of our sight for quite some time unless we pay close attention to what’s happening in the peripheral part of our visual field – a part that accounts for more than 80% of our retinal and optic nerve function.

For additional information and education resources, please visit our EyeQ section.

What is Peristat™

Peristat™ is a 5-minute online test of your visual field function to check for hidden blind spots. Similar to a test eye doctors routinely use in their offices called perimetry, Peristat™ is an online home test of your peripheral visual function. Delivered via the KYS telemedicine platform, in clinical studies Peristat™ has detected moderate to severe visual field defects with high accuracy Peristat™ is an advanced virtual perimetry test of your peripheral vision. It has the following components:

Perimetry testing of up to 24 degrees of visual field
Contrast sensitivity mapping of the visual field
Multi-level threshold retinal contrast stimulation and interrogation
Advanced reliability care management with gaze fixation assurance and false positives/ false-negative registration

Curr Eye Res. 2005 Jan: 30 (1): 1 – 6
Transl Vis Technol. 2016 Jul 19:5 (4)

Who can take Peristat™

Telemedicine enables anyone with an access to a computer or mobile device to take a Peristat™ vision test anytime, anywhere. Results are reviewed and graded by the participating doctor of your choice. Your participating doctor will provide you with a referral code – you need this code in order to register with KYS.

How do I start?

Please contact your eye doctor for a referral code. If your doctor has not yet signed up for the KYS platform, he/she will need to contact us. Once you have the code, you can register with a quick 2-step process. You can start testing right away after you register. Your information is confidential and your eye doctor will email the results, along with any other helpful information.

Important Disclaimer

While telemedicine and online vision testing is increasingly popular today, please read our important disclaimers below:

Online vision testing is NOT a substitute for a routine eye doctor visit or exam
Online vision testing is NOT intended nor indicated for the diagnosis, screening or prevention of any disease
Online vision testing is to be used with the guidance and review of your doctor. They should not be used exclusively nor should they be relied upon for primary screening and diagnosis – in accordance with existing FDA Guidance