Why You Need A Blue lens.
Basically, when you hear a Blue lens or blue-cut lens, what they do is that they help protect the eye from harmful blue rays emitted from Ultra Violet ray of the sun or digital devices.
EFFECT OF HARMFUL BLUE RAYS OF LIGHT
Blue rays of light are characterized by high energy photons and short wavelengths which allows it to penetrate deep into the eye tissues, the high energy photons can cause damage to the eye over a period of constant exposure to the blue light
SOURCES OF BLUE LIGHT.
Natural Sources – Sunlight
Digital Devices – Computer Screens, phone screens, television.
Lights – LED, fluorescent lights.
WHO NEEDS A BLUE-CUT LENS.
1. Outdoor workers
2. Frequent Computer Users
3. School Students.
4. Office Workers.
5. Electrical Engineers and light related workers.
Generally, we recommend a blue-cut lens for everyone, because as far as you step outdoor under the sun or use digital screens, you need to be protected.
IS BLUE-CUT ALSO A PHOTO-CHROMIC LENS?
A blue-cut lens is not a photochromic lens. A blue cut lens will not allow harmful blue rays of light to pass through the lens while a photochromic lens darken on exposure to high light intensity from UV source( e.g sunlight) thereby providing comfort for the eye under sunlight or any other UV light with high intensity.
You should have a blue cut lens in your collection of glasses or make your current glasses a blue-cut lens, it will protect and preserve your eye health.
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