FAQ – Frequent asked questions

How long do I have to wear the glasses?
The use of the glasses depends on the desired effect. Please check the leaflet inside the box for correct instructions. With the blue lights on, 30 minutes per day is usually sufficient. If the orange lenses are used, then half an hour to an hour before going to sleep is enough. Remember to out the blue lights off when you use the orange lenses.
How do I switch the glasses on / off?

PSimply press the on / off switch 1 time to switch the LED lights on. Repeat this to turn them off.

Is an app necessary for the use of light glasses?
NO, The My Propeaq TimeTooler app provides instructions on how to use the glasses when you want to prevent a jet lag or when you want to deminish the energy dip during shiftwork. The app will ask you to answer some easy questions about your sleep pattern. Based on your flight schedule or shiftwork schedule, you will get a personalized user schedule. The glasses do not communicate with the app and the data remains in the app and is not shared.
What information do I share with the makers of light glasses?
The glasses do not communicate with the app and the data remains in the app and is therefore not shared with the makers or others.
How long do I have to wear the glasses?
The use of the glasses depends on the desired effect. With the blue lights on, 30 minutes per day is usually sufficient. In rare occasions this could be twice a day. If
the orange glasses are used, then half an hour to an hour before going to sleep is enough.
Is the light safe?
The blue light from the light glasses is very weak and in a bandwidth of which no harmful effects are known. The eyes may be lasered, wear contact lenses or be fitted with an artificial lens. Only people with a retinal defect (retinopathy) are not recommended for use because no research has been done on this.
Can I drive a car wearing the light glasses?
When the blue light in the glasses is on, we advise against participating in traffic in the dark, due to the flair it might cause reducing your vision. We also advise against taking part in traffic with the orange lenses as you will feel sleepier over time and reduce your alertness.
Why are there different colors of glasses in the box?
The Propeaq glasses are a complete ALL-IN-ONE system with blue light and light blue transparant lenses for energy and orange lenses for better sleep. 
How should I change glasses?
On the YouTube Propeaq channel there is a video explaining the box contents and how to change the glasses. No force is needed to push the lenses out of the glasses. Press lightly on the outside of the glass, inwards. The glass hooks on the nose bridge with a recess in the frame. New lenses are first placed with the recess in the nose bridge and then the lens clicks into the frame.
I’m already wearing glasses. Are there prescription lenses?
The Propeaq glasses only need to be worn with light switch on, for half an hour. If you cannot see enough because yo normally wear glasses, then you can find opticians on the propeaq.com website who can provide the glasses with prescription lenses. These glasses are also interchangeable. If one only needs reading glasses, the glasses can be combined with a Nooz Optics reading glasses.
How long can the glasses be used without charging?
A full battery is good for 2 to 3 hours of active light. Since 30 minutes a day is often sufficient, you can use the glasses for 4 to 5 days. By pressing the on / off button for 3 secosnds, the 3 LEDs indicate the remaining battery charge. It is advisable to charge the glasses with 1 LED.
How long must the glasses be charged?
Two hours on the included USB charger is sufficient to fully charge the battery. Connecting longer to the charger is no problem, but we do not recommend this.
How do I charge the glasses?
Of course we recommend using the supplied USB  cable. However, the glasses can be charged on any standard USB charger with an approved USB cable. On laptops it usually takes a little longer to charge the glasses.
If a part is lost, how do I get a replacement?
Propeaq glasses have a warranty period of 1 year from the date of delivery and covers the products on material and production errors. Glasses can always be ordered separately.
Has scientific research been conducted into the operation?
A great deal of research has been done into the effect of blue light. The Propeaq glasses are even used in a number of studies as a reference because these glasses are the only ones that produce exactly the wavelength of blue light where the scientific studies have noted positive effects. There are links to the various studies on the propeaq website. The researchers Hall, Rosbash and Young have won a Nobel prize for medicine for their research into the biological clock in 2017.
Can the glasses be customized?
The frame is designed to fit most people. The Propeaq glasses are therefore available in 1 size. Like the better frames, the legs are slightly adjustable by an optician. The glasses are less suitable for children or broad heads.
Are the glasses available in more colors?
The Propeaq glasses are supplied in any color you like as long as it is black.
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