Instructions and recommendations on how to keep your device at a 35cm distance from your face whilst playing the OKKO Health app (without Face Recognition).
The OKKO Health app can be played on both Apple and Android devices. However, not all of these devices have facial recognition built-in to its hardware, meaning it cannot detect how far your face is from the screen during a test.
In order for the OKKO Health app to collect accurate results about your eye health, we need to know that you are at a 35 cm (+/- 2cm) distance from the screen throughout the session. So, how can you ensure that you stay at 30cm?
Watch this short video to hear what our OKKO Health user testers recommend.
Do not try and estimate the distance. Instead, try one of the following options:
1. Use a ruler/measuring tape
You can use a ruler/measure tape to gauge 35 cm from your forehead to the screen of the device you are using, and then try and keep that distance during the test. If you find it difficult to keep the distance throughout, try the following method:
A. Starting from the edge of a table, measure 35cm in a straight line towards the centre.
B. Make a mark at 35cm (using tape or an object).
C. Place your chin on the edge of the table and hold the device by the mark. It may be worth using something comfortable to rest your chin on, that also positions your face slightly higher.
2. Use a cereal box!
For this method, you must have both hands free. We recommend using an eyepatch; these can be bought cheap at your opticians or online. (Some OKKO Health users have made their own eye patch by placing a folded tissue or a sock underneath their glasses!)
A. Make sure to check the length of your cereal box equates to 30-35cm using a ruler or tape measure.
B. Place the cereal box face down on a flat surface, preferably a table or desk.
C. Sit comfortably alongside it and rest your chin at one of the short-sided ends of the box.
4. Affix your eye cover and hold your phone at the other end.
Still having difficulties? Speak to your eye care professional or send us an email on support@okkohealth.com
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