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BON CHARGE Brooklyn Blue Light Glasses (1 piece) are glasses with orange lenses that block 100% of the blue and green light between 400 and 550 nm. The Brooklyn model features a large, lightweight frame suitable for a broader face. The glasses are intended for evening use, in the last 2 to 3 hours before going to bed, for example while reading, watching TV, or working in front of a screen. Ideal for people who are sensitive to light in the evening hours or who spend a lot of time in front of screens.
Blue light glasses have coloured lenses that filter out part of the light, especially blue light. Blue light comes from, among other things, LED lights and screens of phones, tablets, laptops, and televisions. These glasses block not only blue but also green light.
The colour of the lenses depends on the light they block. Since blue and green light are blocked, the lenses mainly let through yellow, orange, and red light. This makes the lenses look orange and gives everything you see a warm tint.
Light is measured in wavelengths, expressed in nanometres (nm). Blue light is roughly between 400 and 500 nm, green light between 500 and 550 nm. These glasses block 100% of the light in this whole range, as measured by a spectrometer test.
The Brooklyn frame comes in a large size. The lenses are 54 mm wide, the bridge is 17 mm, and the arms are 140 mm long. The glasses are 42 mm high and 135 mm wide, measured from hinge to hinge.
The frame is handcrafted from acetate, a light and sturdy plastic. The lenses are made in an optical laboratory.
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Wear the glasses in the evening, 2 to 3 hours before you go to bed.
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