Sunlight is made up of many different wavelengths of light. When they are all combined, it becomes the white light that we see.
Each wavelength differs in size and amount of energy. Blue light rays have a short wavelength and a good amount of energy.
There are many sources of blue light that we can experience each day, including:
- Fluorescent light
- CFL (compact fluorescent light) bulbs
- LED light
- Flat screen LED televisions
- Computer monitors, smart phones, and tablet screens
- The sun
Some blue light is healthy for our development. We need some blue light exposure as it regulates the circadian rhythm. It can also impact how alert you feel, your memory and other cognitive skills.
Yet, over-exposure to blue light should be avoided.
There are several approaches you can use to minimize your exposure to blue light that is outside your healthy limits.
- Always wear blue light blocking lenses when using digital displays
- Wear sunglasses every time you are outdoors
- Utilize filters on screens
- Increase contrast with anti-reflective lenses
Always be sure to mention to your eye care professional if you are experiencing digital eye strain, headaches, fatigue or sleeplessness.
They can help you to review your blue light exposure and discuss options to best support you.
Simply paying attention to your exposure to blue light can make a huge difference to your daily life.
With the right tools, you can experience healthy blue light to enhance life.
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