Conservation you might say is relatively not a new term or focus. Conservation has been around since Teddy Roosevelt; wanting to preserve our lands. We are grateful for his and others efforts to preserve nature. Since then, a big rush for conservation of our environment came about in the 1960s and was mainly focused on water and air pollution. Industrial wastes, farm pesticides runoff were polluting our water. Our air was and is being polluted by fuel emissions from industry and the automobile worldwide.
More recently the government recognized this in regards to our light bulbs. The amount of energy that our lighting was using in our USA needed to be reduced to make us less dependent on fossil fuels and a cleaner environment.
At least we figured it out but then there have been continued side effects which has been coined “Global Warming” as a result of our thoughtless ways of taking care of the air that we breathe, the land that we share and the water that we drink. The reduction of dependence on fossil fuels to generate electricity which supplied energy to most things we do, need or consume is eminent.
OUR LIGHT SOURCES
A once incandescent lighted world has now changed. Our lighted world consists of efficient lighting now in the form of fluorescent bulbs, halogen bulbs and different lighting sources from our digital devices.
Just like anything, what helps one issue may be damaging something else. Most of our lighting sources that are efficient are from incandescent and fluorescent lighting. The government is requiring more and more of our incandescent sources of lighting be eliminated. Those curlicue compact fluorescent light bulbs and LED lights are much more energy-efficient than the old-fashioned incandescent light bulbs we grew up with but they also tend to produce more blue light. While this helps with our energy cause, its downside is the blue wavelength of light that is intensely emitted from our fluorescent and incandescent bulbs. Blue light has been found to affect our vision especially our visual health. This strong intense light damages the inside of our eyes indoors just as much as UV damages our vision out of doors.
Blue light does have adverse health effects, then environmental concerns, and the quest for energy-efficient lighting, could be at odds with personal health. Blue light also affects our memory and is damaging our ability to sleep because it stimulates chemicals and receptors in the brain that are made to think it is not time to go to sleep.
Fluorescent lights are what they are, but research is finding that if certain coatings are lined inside the bulbs, this can reduce blue light emission. Research continues to show that those old non energy efficient incandescent light bulbs were much less damaging to our vision. Macular degeneration and cataracts are the main areas of vision that is damaged and it is expected that about 18 million people in the next 20 years will lose their vision to macular degeneration.
Moral of this story is to protect your eyes from blue light with blue blocking filtering lenses in your glasses especially when working on digital devices. Take supplements prescribed your doctor that contain zeaxanthin and lutein which are contained in colored and green leafy vegetables also found in a healthy diet of green leafy vegetables of different colors. Have your eyes examined yearly.
Schedule an appointment to have your eyes examine and your macular pigment tested.
http://www.EyewearGallery.com Dr. Warren Johnson | Dr. Do Nguyen