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ESRS in Bologna

The 23rd Congress of the European Sleep Research Society (ESRS) was recently held in Bologna. ESRS is Europe’s largest event dedicated to sleep medicine and research, and it was attended by close to 2,000 researchers, physicians and industry professionals.

These are the top questions and answers from the event.

Q. Why does Re-Timer use green light?
A. The peak wavelength is 500nm which is cyan in colour. The light contains both green and blue wavelengths. Our research has shown this colour to be just as effective at achieving a circadian phase shift as shorter (blue) wavelengths.  This colour was also chosen to balance safety concerns and public perceptions of blue light, with the efficacy of the shorter blue and green wavelengths. We have completed extensive product testing on both optical safety and efficacy.*

Q. What is the evidence base?
A. Since 1987, we have been researching the ability of light to re-time the circadian rhythm. There are 4 peer-reviewed research papers using Re-Timer prototypes and 2 peer-reviewed research papers published using the current model of the Re-Timer device. If you would like copies of the full journal articles please contact us and we will email these to you.

Q. How does it compare to a light box and what is the lux?
A. Re-Timer is a portable and convenient solution which increases user compliance to treatment. Re-Timer emits 506 Lux lm/m² and 230 µW/cm² measured at the corneal surface. A standard light box emitting 10,000 lux may only produce 98 lux, Anderson et al. (2009) to 398 lux, Glickman et al. (2009), at the corneal surface.

Q. Why is the light source below the eye?
A. The angle of light has been chosen to ensure the maximum amount of light enters the eyes. Light mounted from above is often obliterated by dropping eye fixation below the horizon (i.e. to read, guiding walking, and many other practical situations). The evidence about retinal distribution of the ipRGCells is that they are widely distributed into upper and lower hemi-retinas.

Q. When do you wear Re-Timer for and for how long?
A. Re-Timer is worn for 30 minutes per day. The time of day depends on what you would like to change. We have jet lag and sleep and jet lag calculators on our website which provide customized schedules. If someone has delayed sleep, they would benefit wearing Re-Timer in the morning when they wake up (and then earlier each day) for at least 3 days.

Q. How is it charged and how long will it last once charged?
A. Re-Timer is charged using a USB cable and will remain charged for 4 hours (8 days of use per charge).

Q. Is Re-Timer a medical device?
A. Yes, Re-Timer is classified as a Class 2a medical device in Europe. 

Q. What support do you provide patients?
A. We provide support via phone, email and our LiveChat service on our website. We also a free eBook available on our website for anyone to download. Called ‘How to Sleep Better‘ the book is written by sleep psychologists Prof Leon Lack and Dr Helen Wright and contains a lots of great information regarding sleep. I highly recommend it.

If your question is not here or you would like further information please don’t hesitate to contact me.

The next congress will be held in Basel, Switzerland in 2018. We hope to see you there!

 

* Re-Timer meets international ultraviolet and blue light hazard safety standards (standard ICNIRP 7/99 and CIE S009/E: 2002, also known as international standard IEC 62471/Ed. 1 published in 2006), and is safe (no UV light, no power in wavelengths <400nm).

© Copyright 2024 Re-Time Pty Ltd. All Rights Reserved. Re-Timer™ is a registered trademark of Re-Time Pty Ltd. The views and information expressed here should be considered as general only, and should not be used for medical purposes.