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Unread 12-14-2012, 12:37 AM   #16
Ironworker709
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and one more thing i forgot to add..don't buy "polarised" safety glasses for wearing behind an auto sheild..i found out the hard way..couldn't figure out why everything was distorted looking through the lens and had a bunch of rainbow colors....i thought something was wrong with my Jackson Nexgen....just buy the clear only.....polarised are for fishing....clear is for safety...lol

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Unread 12-19-2012, 09:10 AM   #17
jasonswelding
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Working outside, I wear tinted glasses all the time. I use a no. 9 auto lens. In daylight with tinted glasses works great, and allows for torch use without changing glasses. A little bright for late night call outs.
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Unread 12-20-2012, 06:36 AM   #18
EZBillyBA
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I always wear tinted safety glasses too. It beats the hell out of trying to keep up with two pairs and switching from clear to tinted depending on the task. I have two welding hoods with different shade lenses, one for hard wire (9 shade), and one for flux (10). If you ever get bad arc flash, invest in ton GenTeal eye drops. They are kinda pricey, but worth it!
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Unread 12-20-2012, 06:12 PM   #19
NOCHEEPGAS
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For those of us who are "a little older" and need to use "cheaters", I wear these all the time while welding. They are very comfortable, offer great protection and best of all I can see my work much better. Not your $3.00 specials, but I couldn't weld without them.

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Unread 01-07-2013, 01:09 AM   #20
outbackmatt
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Well I went to walmart to search for prescription saftey glasses (because I cant see far away worth a damn, like anything past my elbow is blurry) and found a sweet pair that is tight fitting and has a rubber gasket around the perimeter of each lense. I was told these are usually worn for motorcycle riding. I'm not sure why they are not more popular for fabricators or even construction workers. While explaining to the eye dr why I came in she said she didnt even know they had prescription safety glasses!

So the lenses are 100% UVA and UVB blocking. This should mean no more chance of burnt corneas or eye irritation.

HOWEVER, what I am concerned about is does this also eliminate possible deterioration of the retina over time caused by the blue light spectrum?

http://www.mdsupport.org/library/hazard.html

In my research there has been conflicting information and the doctors Ive went to do not seem well educated in this field to answer the question. My confusion is that the lens are supposed to be 100% UV protectant by the material it is made from, this means tint does not matter. I opted for clear, however, as I researched I found that to protect from retinal damaging blue light wavelengths created by welding reflections under the hood, they advise a colored lense such as red or yellow that will filter out the harmful blue light...

I am fine getting a yellow or red tint, but I need an explanation as to WHY, if the clear lense itself is claimed to be "100% UV blocking", why do other sources say you need to have it color tinted to filter out the blue spectrum of UV light? The problem is I dont know who to believe or even who to ask.



Straight from old reliable wikipedia:

Quote:
Depending on the manufacturing technology, sufficiently protective lenses can block much or little light, resulting in dark or light lenses. The lens color is not a guarantee either. Lenses of various colors can offer sufficient (or insufficient) UV protection. Regarding blue light, the color gives at least a first indication: Blue blocking lenses are commonly yellow or brown whereas blue or gray lenses cannot offer the necessary blue light protection. However, not every yellow or brown lens blocks sufficient blue light.
Thats about as clearly stated as my pond water is after running my jeep through it. So yellow lenses may or may not block blue light. So how do you know if it does?
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Unread 01-07-2013, 02:40 AM   #21
outbackmatt
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I may have found an answer to my question. Simply labeled UV Blocking is not enough, you must ensure the glasses are rated UV 400. So I assume as long as they are UV 400 than color of the lense does not matter?

Quote:
Misleading claims about certain glasses providing UV protection can be easily confusing to consumers. A pair of glasses might be labeled UV-absorbent, for example, but the label might not indicate exactly how much UVA and UVB rays are blocked. Sunglasses should be labeled UV 400. It is recommended that you protect yourself from UV radiation up to 400 nanometers, which extends into part of the visible spectrum to ensure complete blockage of ultraviolet light. This is what distinguishes "cheap" sunglasses from more expensive ones.(1.)
http://www.macular.org/bluelite.html
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Unread 01-08-2013, 06:07 PM   #22
rmeyer332
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http://www.allaboutvision.com/sunglasses/spf.htm
This is an article I read, maybe it will answer your question on blue light. I have only heard of using a tint color such as red, yellow and green for laser eye protection. 100% HUV green tint is the high for inferred light. If you are looking for a prescription safety with good UV protection. You can get ballistic sunglasses they are pricier and you can have prescription lens madefor the
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Unread 01-08-2013, 06:17 PM   #23
rmeyer332
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Made for them. All ballistic sunglasses will have an identifying code of Z87 in them. Here a picture there from my Oakley's

image-2808436843.jpg
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