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Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
RELATED: What your eyes say about your health "Since patients oftentimes require multiple treatments and overexposure to this, light can be potentially dangerous to your vision," she continued.
An example of this phenomenon is when clean air scatters blue light more than red light, and so the midday sky appears blue (apart from the area around the Sun which appears white because the light is not scattered as much). The optical window is also referred to as the "visible window" because it overlaps the human visible response spectrum.
The various cone cells are maximally sensitive to either short wavelengths (blue light), medium wavelengths (green light), or long wavelengths (red light). Rod photoreceptors only contain one type of photopigment, rhodopsin, which has a peak sensitivity at a wavelength of approximately 500 nanometers which corresponds to blue-green light. [ 6 ]
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L cones respond most strongly to light of the longer red wavelengths, peaking at about 560 nm, and make up the majority of the cones in the human eye. M cones, the second most common type, respond most strongly to yellow to green medium-wavelength light, peaking at 530 nm, and make up about a third of cones in the human eye.
Besides possibly hurting your eyes (wear eclipse glasses please!), you can actually damage the image sensor on your camera or phone. To avoid this , NASA and other experts have some tips. 1) Use a ...
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