416-844-9160 or
info@blueblockglasses.com
Our facility on College street is currently not open to the public. In special circumstances we can arrange to have pickups at the location but this depends on availability and timing. Please send us an email to inquire.
We currently only offer our products for purchase via our online store.
The glasses are true blockers. Refer to spectral transmittance graph which shows that >99% of light below 520 nm is prevented from passing through the lens.
Yes. Our blue blocking fitovers are designed to accommodate most prescription glasses. The size of the glasses are approximately 140 mm (frame width) x 130 mm (arm length).
You have 30 days from the date of purchase to return the glasses for your full money back. No questions asked. The cost of return shipping is not included in the refund. Please email us for the return shipping address. The glasses should be in the same condition as purchased.
On a day to day basis there are many factors that influence your sleep. External factors such as light, sound, temperature. Internal factors such as anxiety, stress, pain, comfort. Another major component is substances you consume, such as caffeine, cigarettes and alcohol.
Over the longer term, sleep habits are driven by your circadian rhythm, synchronization of your body clock with the external environment, general health and activity levels.
Wearing blue blocking glasses before bedtime will prevent blue light from reaching your eyes at night, thus providing a strong environmental cue for your body. As you can see, it is one piece of the long term puzzle – the rest is up to you.
If you have serious sleep related issue or any medical questions, please speak with your doctor or with a licensed medical professional.
Yes you should absolutely get more knowledgeable about topics relating to your sleep health! A great place to start would be our 'How do blue block glasses work' page where you can find links to lots of articles.