Name: Sleep-PRO red glasses against blue and green light
Brand: UVtech
SKU: UVTbryl05
Price: 5690 HUF
Availability: InStock
Rating: 4.5 (10 reviews)

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Sleep-PRO red glasses against blue and green light - Computer Glasses - Main image

5,690 Ft 6,320 Ft

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Sleep-PRO red glasses against blue and green light

The SLEEP-1 red glasses against blue and green light are designed to be worn 1–1.5 hours before sleep to suppress the blue and green spectral components that reduce melatonin production in the evening.

Key features of the Sleep-PRO glasses

Red lenses block 99.9% of the blue and 99% of the green spectral components
The most comfortable glasses against blue and green light
Adjustable rubber temples
Rubber nose piece
Softened plastic on the upper edge of the frame
Adjustable frame tilt
Glasses block light from all sides
Lightweight and easily portable
Robust construction ensures a long lifespan
Universal size for adults
Can be worn over smaller prescription glasses
Clear glasses do not eliminate most of the blue spectrum, and therefore not the green spectrum either; if the glasses are working, both spectra must look the same when viewed through them, with no blue and minimal green visible
Colour spectrum for a home test of blue light blocking glasses: The glasses filter blue light if both colour spectra match when viewed through them
The glasses also filter the green spectral component if the green colour appears faded

Blue light blocking glasses can be categorised as follows

Clear (colourless) glasses – eliminate violet light at best, and 0% of blue and 0% of green light (see test below)
Yellow glasses – eliminate approx. 50% of blue light (depending on the shade)
Orange glasses – eliminate 99% of the blue spectrum and part of the green spectrum
Red glasses – eliminate 99.9% of the blue and 99% of the green spectra that negatively affect the circadian rhythm
Clear glasses cannot absorb blue and green spectral components. Why? If all light spectra pass through an object (in our case, the glasses), the object appears clear (colourless) to our eyes. If blue and green light do not pass through the object, meaning only yellow to red light passes through, the object (the lens of the glasses) appears red. It follows that it is physically impossible for clear (colourless) glasses to filter blue and green spectral components.