do photochromic lenses work in the car?
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The moment UV rays are no longer present, the lenses begin to fade back. ... As a result, just like clear lenses, Transitions lenses do not activate inside a car. However, Transitions® XTRActive® lenses react to visible light so they do moderately darken behind the windshield. In fact, many people use them while driving.
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Blue glasses are not suitable for driving, while yellow sunglass lenses are really good for sharpening up images, but causes more colour distortion. Brown lenses reduce glare sufficiently well, including absorbing the blue frequency of light in the sun's rays, which makes your surroundings seem hazy.
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In California, and most of the US, that's possible because the law (49 CFR 571.111 — Standard №111; Rear visibility.) mandates that the drive side has an outside mirror of 'unit magnification'. What that means is that installing a convex mirror, one that would help drivers see cars in their blind spots, is illegal.
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So what is the difference between polarized lens tint & photochromic or Transition® Lenses? Polarized lenses are permanently tinted dark. They don't change color. ... Photochromic lenses (of which Transitions® is the best-known brand) on the other hand, start out clear but turn dark in the bright sunlight.
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Zenni Blokz™ Photochromic lenses are a convenient all-in-one solution for people that want a pair of blue blocker lenses for indoors that also transition to sunglasses that offer blue light protection outdoors as well.
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Sedans: The front side windows, rear side windows, and rear window must allow over 70% of light into the vehicle. The windshield must also allow over 70% of light in, with the exception of the top three inches. SUVs and vans: The front side windows must allow over 70% of light in.
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Most headlight lenses are made of polycarbonate plastic. ... To protect it initially, manufacturers coat the lenses with a UV protective film. But over time this film is destroyed by UV rays, allowing the plastic to oxidize.
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Size: 0.00x. Amber tinted lenses to minimize Digital Eye Strain caused by harmful blue rays emitted from digital screens. Great for alleviating visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights.
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Answer: According to the Revised Ordinances of Honolulu, reflectors and lamps on motor vehicles are required to be visible from a distance of 300 feet, said Gary Tashima, a supervising motor vehicle inspector for the city. Using a cover "hampers the reflectivity of these lens" and thus would be illegal.
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The greater the intensity of UV radiation, the darker the lenses become. ... As a result, just like clear lenses, Transitions lenses do not activate inside a car. However, Transitions® XTRActive® lenses react to visible light so they do moderately darken behind the windshield. In fact, many people use them while driving.
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Night driving glasses are available in many shades of yellow and amber. The darkest lenses filter out the most glare but also, the largest amount of light, making it hard to see in dim or dark conditions. Some wearers of night driving glasses report that they're better able to see at night while wearing them.
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UV coating alone does not provide this color change. UV rays are invisible, and UV coating does not block out visible light. ... It is often necessary for drivers with who have photochromic glasses to wear additional visible light protection glasses like sunglasses.
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Transitions lenses contain special patented photochromic dyes that cause the lens to activate, or darken, when exposed to ultraviolet rays from sunlight. When the UV light diminishes, the lenses fade back. ... As light conditions change, the lenses adjust quickly to provide the appropriate level of tint.
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2. Window Tint Blocks Harmful UV Rays. Car window tinting can block up to 99% of the sun's harmful ultraviolet rays that can accelerate skin aging and cause skin cancer. ... Even clear window film or a light tint offers UV protection that can block out both damaging UVA and UVB rays.
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While colored headlights are popular car accessories regularly seen at car shows, they are prohibited for street use in some cases. Colors other than white or yellow are not ideal for headlights on the road because they do not provide enough visibility.
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In the US, it depends on which windows you are talking about. The windshield and driver's and front passenger windows - no that would be illegal. They are supposed to remain clear for driver visibility. The rear window and rear passenger windows can normally be tinted, even blacked out.
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Yes, believe it or not, driving with interior lights on is, in fact, legal in most states. And while this is technically good news, it's certainly not the safest. ... Rather, using the light to find something in your car can be considered a form of distracted driving.