What Optical manufacturers are doing for your Eyes today?
ESSILOR NIKON HOYA ZEISS LUXOTTICA
The above today all manufacture a “blue light” Coating for our Eyeglasses and Sunglasses.
MYTH: UV radiation reaches and destroys our Retina.
No, it does not. Why?
FACT: 50% of UV is blocked by the back surface of our natural lens; the remaining 50% by the precorneal film, cornea and vitreous chamber fluid.
However, todays Climate Change UVB “Blue light” is so concerning the WHO state ” UVB ” binds to our DNA. It is no wonder the above manufacturers have responded to this challenge stipulating “the North American standard of no more than 1% UVB is to pass through to the retina. (See our Nov 23 blog) who are at most risk.
ESSILOR, the #1 European Optical manufacturer states “blue light” disrupts our sleep(the circadian rhythm) by depleting our melatonin. Sleep disruption as well as the prevention of premature Cataracts and Macular degeneration(AMD) is todays assault from; the artificial “blue light” emitted from these devices.
Essilors solution…a Progressive lens “coating” with anti “blue light” properties.
NIKON a Japanese optical manufacturer responds with their coated anti “blue light” product as well. Their claim, the coating will prevent: blurred vision, headaches, eyelid heaviness, fatigue and poor focusing. Also the manufacturer concurs UV is not the problem.
The remaining manufacturers HOYA ZEISS and LUXOTTICA all claim their “blue light” coatings perform the same protection plus improved contrast perception and reduced “digital eye fatigue.”