- Joined
- Saturday January 28, 2012
- Location
- Southampton
Northam Saint said:Only reservation is I've been told, not sure how correct it is though, they don't work in the car ? So I'm thinking I may also need prescription sunglasses, which can be cheap enough. They would only sit in the glove box for driving and there they would stay.
Northam Saint said:Bechet45 said:Reactolite varifocals is definitely the way to go! Brilliant inventions!
Only reservation is I've been told, not sure how correct it is though, they don't work in the car ? So I'm thinking I may also need prescription sunglasses, which can be cheap enough. They would only sit in the glove box for driving and there they would stay.
FrankieG said:The thing is, they need direct sunlight to work, and you are usually shaded inside the car, looking out unto a brighter area.
Also, the lenses darken but do not polarise as far as I know, so they won't cut glare from water or other reflective surfaces. Other than that, they work quite well.
Bechet45 said:FrankieG said:The thing is, they need direct sunlight to work, and you are usually shaded inside the car, looking out unto a brighter area.
Also, the lenses darken but do not polarise as far as I know, so they won't cut glare from water or other reflective surfaces. Other than that, they work quite well.
Not true! They react to the light condition - full dark in full sunlight. no tint indoors, various shades of grey/brown in brighter light. This may - for all I know - vary with different brands but for whichever brand Asda use, it's a fact.
If you want polarisation, just pay a bit extra. No problem.
FrankieG said:Bechet, this was in reply as to whether they work in a car. Yes, they are capable of various shades of grey/brown, but they do not equal dedicated sunglasses if you use them to drive. The inside of a car is normally nowhere near as bright as the outside and the lenses won't react as they do when you are in full light. I have worn this type of lens for 15 years and although I find them extremely practical, that is one area where I find they fall short.
Cristobal said:I have a pair of American Optical (in black) that I paid 45 € on Ebay US.
Theses glasses were issued to astronauts I believe.
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