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Glasses with lenses impregnated with a substance which turns darker in response to the amount of light shining on it. This indoors the lenses are clear glass, while outside they function as sunglasses.
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∙ 11y ago
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How do photochromatic sunglasses work?
Photochromatic sun-sensitive lenses that quickly darken in bright conditions, and quickly return to a clear state in ordinary indoor lighting. This is a solution for people that would like prescription eyeware, but are worried about having more than one pair of glasses. Read more about prescription eye ware in the related links below.
How do photochromatic lenses work?
Photochromatic lenses are commonly called transition lenses. The lens is clear, but when exposed to the sun's UV rays, they will darken like sunglasses.
What are the advantages of photochromic pain?
you were wearing photochromatic sunglasses then you would not have had to take off and then put on your sunglasses. The lenses would have reacted to the change in light conditions and would keep your eyes well protected throughout your journey. A photochromatic lens will only alter in the area subjected to change in light, therefore if only one part of peripheral vision is subjected to an increase in light intensity then only that part will change. Every area of the lens is fully independent from all other areas.
Is there a listv of Rayban lense codes ie what does 3n mean?
Ray Bans come in 5 categories. 0 is for use in "dimmed brightness" (cloudy conditions). 1 is for partly sunny. 2 is for medium brightness. 3 is for high brightness. 4 is for exceptional brightness. However, category 4 glasses are not recommended when driving. There are three letter codes. N-normal. P=Polarizing. F=photochromatic. Hence 3n means normal, for high brightness.
This is your glasses or these are your glasses.Which way is correct with glasses?
"These are your glasses."
There are seven glasses on the table Four of the glasses are Full What fraction of the glasses are not full?
3/7 glasses are not full
What are the release dates for When Glasses Are Not Glasses - 1913?
When Glasses Are Not Glasses - 1913 was released on: USA: 25 August 1913
What are pretender glasses?
pretender glasses are glasses that do not have a prescription in them. its just simply a plastic lens. Many people where pretender glasses because they like the way they look with glasses.
How do get the glasses on Poptropica?
you can get glasses in spy island, it is found in the shop which has glasses and a mustash on it.
700 ml is how many glasses of water?
23 glasses
What do you mean by glass ware?
The vessels you drink from i.e. wine glasses, cocktail glasses, beverage glasses, water glasses, etc.
What 3D glasses are used for 'Avatar' the movie?
Depending on the theater, the glasses will most likely be polarized 3D glasses or shutter glasses.
