There are two types of blue light, Blue-Turquoise, and Blue-Violet. Blue-Turquoise light is good for the eyes. It aids in visual acuity, color perception, aids the pupil constriction reflex and helps sync our biological clocks.
Blue-Violet light can be harmful to the eyes. It is the closest on the spectrum to non-visible and harmful light. It can contribute to macular degeneration, retinal cell damage, early onset cataracts and it can also increase visual fatigue.
Blue-blocking glasses will filter the harmful Blue-Violet light while allowing the helpful Blue-Turquoise light pass through. The use of blue-blocking lenses will assist in combating eye strain, headaches, and fatigue from using Blue-Violet emitting devices and computers.
- Will your reading glasses help my vision?
- How do I figure out what power I need?
- How do I determine the best frames for my face shape?
- How do I input my prescription on Readers.com?
- Why doesn't the printable chart go higher than a +3.25?
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- Can you make readers with a different power in each eye?
- How can I find more information on glasses in general?
- Can I replace the lenses of my readers with prescription lenses?
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- How do you measure your frames?
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- What are aspheric lenses?
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- How do I enter the top power for the bifocal?