Protect Your Vision 

Blue Light Filter

Quality sunglasses are designed to protect your eyes from harmful ultraviolet light rays emitted by the sun, since ultraviolet light can contribute to the development of eyelid cancers and cataracts as well as other issues. Blue light may play an integral role in causing age-related macular degeneration, which can lead to significant vision loss. Since you’re protecting your eyes from the harmful effects of ultraviolet light it only makes sense to protect your eyes from blue light.

Basics of Blue Light
Your eyes are sensitive to a narrow band of frequencies referred to as the “visible light spectrum.” (see below) Visible light—light capable of being seen by the human eye—consists of wavelengths of varying lengths. Blue light has a very short wavelength and is detectable by the human eye. Not only does it provide basic illumination to our world, blue light also helps to increase feelings of well being. But exposure to large amounts of blue light can be harmful to the eyes.

Light Spectrum

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Sources of Blue Light
Electronic devices in use today, such as cell phones, tablets, and laptop computers, has drastically increased our exposure to blue light. Another source of blue light is fluorescent light bulbs and LED lights. Research has determined that the lens inside the eye, and the pigment in the back of the eye, offer some protection against blue light. But this protective mechanism only lasts for a short period of exposure to the intense blue light, and during daylight hours.
Manufacturers have developed products to help protect us against blue light both outdoors and indoors. New Anti-Reflective lens coatings filter blue light without impacting color perception. This may be a great option for people with macular degeneration or those at risk for developing the disease. It may also be important for people who’ve had cataract surgery, since intraocular lenses implanted during cataract surgery may not have as much protection against blue light.

Sources of Blue Light

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