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Get your pupillary distance (PD) in a matter of seconds. Extremely accurate results using our patent-pending frames & smartphone app.
Get your pupillary distance (PD) in a matter of seconds. Extremely accurate results using our patent-pending frames & smartphone app.
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1,639 backers pledged $28,633 to help bring this project to life.

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EyeQue PDCheck, The Fastest & Easiest way to get your PD

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The EyeQue PDCheck

EyeQue PDCheck™ is the fastest and easiest way to obtain your pupillary distance (PD). Pupillary distance is the distance between your eye’s pupils in millimeters (mm). While not a medical record, PD is used for ordering eyeglasses, whether in-person or online. Without a good PD the glasses will not feel good and can cause blurriness and dizziness. 

More and more people are looking for the elusive "PD" number, yet existing solutions are stuck in the 1990s-- Most establishments suggest using a "printable ruler", but this is hard to use and may result in inaccurate measurement. There are also smart phone apps that use a credit card positioned under your nose, but this not only exposes your credit card number, but it is notoriously inaccurate.

Introducing the EyeQue PDCheck. Our specially designed frames and smartphone app work together to produce accurate PD measurements that is as easy as taking a selfie (literally!) or a picture of a friend.

The PDCheck works like a charm! We've been giving demos all day and here are some images and videos from the show. Enjoy!

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Why do I need my PD and why is it important?

Ordering eyeglasses online is becoming more and more popular – and for good reason; superior selection, low prices, and incomparable convenience. But often people are missing one critical number necessary to get a great fitting pair of glasses.  Your PD is often left off your standard prescription and is difficult to obtain yourself without proper equipment and tools.

If the PD is wrong, you will find the glasses uncomfortable, often resulting in blurry vision, dizziness, and headaches. 

To clarify, you will still need an eyeglass prescription (or the like) when ordering glasses online. An eyeglass prescription is an order written by an eye doctor, such as an optometrist or ophthalmologist, that specifies the value of all parameters necessary to construct and dispense corrective lenses. PD is an element of getting great fitting glasses, but is not a medical record, nor is it required to be provided by your doctor.

A sample prescription:

The PDCheck gives you all the PD you need.

In addition to the common PD, also know as "distance PD", "interpupillary distance", or "binocular PD", the PDCheck also provides two additional PD measurements:

Monocular PD, shown in the format of (R:xxx, L:xxx): This is the measurement from the middle of your nose bridge to your right or left pupil. While the right and left PD is usually within 1mm to 2mm of each other, some of us may be less symmetrical than others (>2mm difference)-- And noting this number will result in better fitting glasses.

Near PD: This is the PD for reading vision. Our eyes tend to converge a bit when looking at things close-up. If you are ordering reading glasses, this number will help you get the best fit possible.

Accuracy

Our patented PDCheck technology uses the smartphone camera to take a “selfie” and extracts the PD to an accuracy of +/- 1 mm.  

There are mobile apps out there that have you use a credit card or paper printout held against your forehead or under your nose. These simply do not work well due to many factors including the shape of your head, and the fact that it is hard to take a selfie and hold the card in the correct position. PDCheck includes a special set of lensless eyeglass frames. The T-marks on the frames provide an accurate reference used to determine the distance between the center of your eyes. By wearing the frames, your hands are free to get a great selfie and the T-marks are near your eyes in precisely defined location. PDCheck works with both the front and rear cameras of your phone, so you can either take your own picture or have someone else take a picture for you.

Technology: How it works

The idea is simple yet robust– and easy enough for anyone to use. 

The patent-pending EyeQue PDCheck Frames have three "T" marks; two near each edge and one in the center. The PDCheck mobile app uses image processing the detect the locations of the T-marks, as well as the pupils of the user.  As an added layer of accuracy assurance, once the picture is taken, the user has the opportunity to adjust the location cursors (green "+" signs), making sure that they fall on the T-marks and pupils. The result is an incredibly accurate PD measurement, rivaled only by in-person measurements at office visits.

Check out how it works-- In real time!

 Thinking ahead on Privacy 

We take your privacy very seriously. The EyeQue PDCheck app never saves or uploads your photo image; your picture is removed as soon as we compute the relevant parameters needed for calculating an accurate PD. The PD measurement instantly displays on your mobile phone and is stored securely in the EyeQue Cloud® in your personal account – ready to be retrieved whenever you need it and accessible from desktop and mobile.

If you are using other EyeQue products, such as the Personal Vision Tracker or the EyeQue VisionCheck, the PD will automatically show up as a part of your EyeGlass Numbers. 

 How to use 

Step 1: Download and launch the PDCheck app on any Android or iOS smartphone.

Step 2: Put on the PDCheck frames 

Step 3: Take a selfie or have a friend take your picture. Make sure your face, and the PDCheck Frames, are within the oval on your phone screen. 

Step 4: Make sure that the green markers are directly on the "T" marks on the frames AND on your pupils. Adjust the locations of the marks if necessary.

Step 5: Hit "confirm" and you are done! You will receive two pupillary distances: 1) your PD – the combined distance of each pupil from the center of your nose, and 2) your Near PD (reading vision, since our eyes tend to converge while focusing close-up). Access your data anywhere, anytime on your PDCheck app or by logging into your personal account at www.eyeque.com. 

EyeQue products work perfectly with each other for your eye care needs. Now at a GREAT price to our Kickstarter backers!

EyeQue Ecosystem: 

EyeQue offers a family of eye care products. See how they work with each other!

Click HERE to find out more on our website.

 Spec Sheet: 

About EyeQue: 

Award-winning technologies from an innovative Silicon Valley-based company.

EyeQue is dedicated to empowering anyone, anywhere to care for and learn about their eyes. Our first product, the EyeQue Personal Vision Tracker® (PVT), was introduced right here on Kickstarter in October 2017, exceeding the campaign goal by 537% and earning a CES Best of Innovations award in the coveted Fitness, Sports and Biotech category.  The PVT was also recognized as a finalist of the SPIE prism award for innovations in optics. To date, the EyeQue member community has conducted more than 50,000 tests using the PVT. 

Our second-generation personal vision tracker, EyeQue VisionCheck was introduced October 2018 and has also earned the CES 2019 innovations award, this time in the Technology for a Better World category – a testament to the impact this at-home vision testing technology is destined to have on billions of people globally, many of whom have limited if any access to a traditional eye care professional. 

Risks and challenges

The overall risk of this project is very low as the PDCheck Frames are in our warehouse and ready to ship. We are still fine-tuning the app and conducting accuracy testing due to a large number of Android smartphones on the market possessing different cameras. We have found that higher quality front and rear-facing cameras result in better, more accurate PD measurements, whereas lower quality cameras result in less accurate PD measurements. We are very confident that the PD Frames will be shipped in February 2019. We are actually doing extensive user testing of the PDCheck App and frames at the Consumer Electronics Show in January 8 – 12, 2019. If you are in Vegas come visit EyeQue, in the Sands Convention center.

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    Super Early Bird

    Get one pair of PDCheck frames at 54% off (MSRP $12.99), FREE SHIPPING in the US! Download the free EyeQue PDCheck App and share it with as many people as you'd like!

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    Early Bird

    Get one pair of PDCheck frames at 38% off (MSRP $12.99), FREE SHIPPING in the US! Download the free EyeQue PDCheck App and share it with as many people as you'd like!

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    Kickstarter Special

    Get one pair of PDCheck frames at 23% off (MSRP $12.99), FREE SHIPPING in the US! Download the free EyeQue PDCheck App and share it with as many people as you'd like!

    Includes:
    • PDCheck Frames
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    Pledge US$ 25 or more About US$ 25

    EyeQue PDCheck + PVT Bundle

    Get the EyeQue PDCheck and the award-winning Personal Vision Tracker at a HUGE discount! (MSRP $42.98).
    Use the Personal Vision Tracker to measure refractive error and generate EyeGlass Numbers to order glasses online.

    Includes:
    • PDCheck Frames
    • EyeQue Personal Vision Tracker
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    Small PDCheck Bundle

    Get FIVE pairs of PDCheck frames at 38% off (MSRP $64.95), FREE SHIPPING in the US!

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    Large PDCheck Bundle

    Get TEN pairs of PDCheck frames at 54% off (MSRP $129.90), FREE SHIPPING in the US!

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    Pledge $80 or more About $80

    Complete EyeQue Eye Care Bundle

    Get the EyeQue PDCheck, the award-winning Personal Vision Tracker, and the Insight vision screener at a HUGE discount! (MSRP $122.97).
    Use the Personal Vision Tracker to measure refractive error and generate EyeGlass Numbers to order glasses online.
    Use the Insight to verify eyesight and glasses. Screens for 20/20 vision under 3 minutes.

    Includes:
    • PDCheck Frames
    • EyeQue Personal Vision Tracker
    • EyeQue Insight 20/20 Visual Acuity Screener
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Funding period

- (31 days)