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Why do blue LEDs look blurry?

Our eyes can easily focus on fine details in red or green light. But our retinas can't handle blue light very well. Blue light scatters more widely within the eye and tends to be focused in front of the retina, making it appear slightly out of focus. What we notice is a kind of halo around bright blue lights.
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What is the problem with LED blue light?

Constant exposure to blue light over time could damage retinal cells and cause vision problems such as age-related macular degeneration. It can also contribute to cataracts, eye cancer and growths on the clear covering over the white part of the eye.
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Does blue light make things blurry?

Blue light from electronics is linked to problems like blurry vision, eyestrain, dry eye, macular degeneration, and cataracts.
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Is blue LED bad for the eyes?

The short answer to this common question is no. The amount of blue light from electronic devices, including smartphones, tablets, LCD TVs, and laptop computers, is not harmful to the retina or any other part of the eye.
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Why is it hard to see blue?

Typically a person with a tritan-type color vision deficiency does not see blue colors well, and may have difficulty seeing the difference between blue and green. Cataracts, glaucoma, and age-related macular degeneration can cause symptoms of tritan color blindness.
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Here's What Blue Light Actually Does To Your Body

Is there a color blindness to blue?

There are 2 types of blue-yellow color blindness: Tritanomaly makes it hard to tell the difference between blue and green, and between yellow and red. Tritanopia makes you unable to tell the difference between blue and green, purple and red, and yellow and pink. It also makes colors look less bright.
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Is it OK to sleep with blue LED lights on?

Blue light has the strongest impact. Exposure to blue light (and white light, which contains blue light) during the sensitive period can make it difficult for you to fall asleep and stay asleep.
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What is the safest LED color for eyes?

Therefore, the best color temperature LED for your eyes is anything in the warm white color temperature range (2700-3000K). Since clarity and contrast is a big part of lessening eye strain, a color-corrected type like our warm white Chromalux® LED might also be a great option!
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What LED color is good for eyes?

Yellow light, has been proven effective in protecting the retinas of patients exposed to excessive blue light, since it offers the best contrast.
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Why are blue LEDS hard to look at?

Our eyes can easily focus on fine details in red or green light. But our retinas can't handle blue light very well. Blue light scatters more widely within the eye and tends to be focused in front of the retina, making it appear slightly out of focus. What we notice is a kind of halo around bright blue lights.
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Why am I so sensitive to blue light?

As we mentioned, we are all blue-light sensitive to some extent. This is the result of specific cells in our eyes called intrinsically-photosensitive retinal ganglion cells (iPRGCs for short) that are activated by blue light with a peak wavelength of ~480nm.
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Why do pilots use red lights?

Similarly, airplane cockpits use red lights so pilots can read their instruments and maps while maintaining night vision to see outside the aircraft. Red lights are also often used in research settings.
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Are blue LEDs the same as blue light?

Do LED lights emit blue light? Yes—but no more blue light (pdf) than other lightbulbs, provided they give off the same balance of shorter and longer light wavelengths. “Warmer” light has more of a yellow tone to it, while “cooler” light, which is similar to daylight, appears a little bluer.
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Can LED lights cause blurred vision?

In studies of LED lighting, blue light exposure was shown to cause the pupils to constrict and lead to ocular deficiencies like blurry and double vision. It can also lead to temporary sensitivity to light for a healthy person and enhanced photophobia for an already-sensitive individual.
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How long do blue LEDs last?

Incandescent bulbs tend to last 1,000 hours, as heat destroys the filament, while fluorescent lamps usually last around 10,000 hours. LEDs can last for 100,000 hours, thus greatly reducing materials consumption.
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What is the most peaceful LED color?

"Blue lighting accelerates the relaxation process after stress in comparison with conventional white lighting," the researchers confidently declared. "The relaxation time decreased by approximately three-fold."
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What is the best LED color to sleep too?

The best night light colors for sleep are red and amber, as they are warm and soothing colors that promote a good night's sleep. It's thought that colors close to red on the light spectrum stimulate melatonin production. Red light has a lower color temperature than regular sunlight, making it ideal for sleep.
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Which LED color is best for sleep?

Research studies discovered red to be the best color light to help you sleep, because it increases production of melatonin as well as full darkness. On the other end of the spectrum, blue is the worst. Despite being a calm-inducing color on most occasions, blue is not suitable for lighting a bedroom.
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What is the meaning of Sexsomnia?

Sexsomnia, also known as sleep sex, is a type of sleep disorder known as a parasomnia. Parasomnias refer to unusual sensations and behaviors, such as sleepwalking, that people may experience or exhibit while asleep, falling asleep, or waking up. In the case of sexsomnia, people engage in sexual behaviors.
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What color LED lights should not be used to sleep?

It is well known that exposure to blue light can negatively affect sleep quality. Babies and children are also negatively affected by blue and white light before bed. Furthermore, cool colour LEDs such as blue and green enhance focus and inhibit melatonin production.
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Is TV a blue light?

Does TV emit blue light? In short, yes. LED screens that are popular these days emit a great deal of blue light, which can be potentially harmful to the eyes. Therefore, watching too much TV, especially late at night, can suppress melatonin production that makes us ready for sleep.
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Is color blind a disability?

Color blindness is a disability where people have difficulty distinguishing specific colors, particularly reds and greens. This can make it difficult to see objects or use patterns with those colors.
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What color is black to a colorblind person?

Problems can arise across the entire colour spectrum potentially affecting perception of all reds, greens, oranges, browns, purples, pinks and greys. Even black can be confused as dark red, dark green or dark blue/purple.
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