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Old 02-12-2011, 11:08 PM #1
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Default Safety Glasses with Eyeglasses

Hi there.

This is a combination of an introduction thread and a first (very important safety) question thread.

About me: I first played around with lasers a lot in 1971, using 120V AC powered red laser units in big steel cases for theatrical effects. Nobody gave a thought to safety glasses or safety in general (we would be flicking laser beams through on-stage fog, towards a large live audience sitting and watching ).

I still have a working laser unit that I played around with in the 1990's, built from a Uniphase HeNe module and a 14V power supply from Laser Drive, Inc.

I got away from the scene for a long time, but recently got re-engaged when the publicity around the Wicked Lasers "Light Saber" clued me in to the great advances that the hobby has made in recent years.

I'm in the process of building and acquiring a couple of units to experiment with. Due to the combination of accumulated maturity (I am 56 years old now), and a great deal of respect and fear for what the current state of the art allows hobbyists to buy, I have laser safety glasses for the first time in my life. I have two sets of safety glasses on hand already.

The problem is that I wear prescription eyeglasses. And I am having a very hard time achieving what I think is a Safe and Sane eye protection setup, so I am very worried about how I am going to proceed working with my new toys.

(I DID use the Search function to scour these forums already. Perhaps I did not use the Search function effectively, but I could not find ANY information about this question).

I really should not use powerful lasers wearing safety glasses, without also wearing my prescription bifocal eyeglasses. Without my eyeglasses, the world is a blur. I do not see targets clearly, I do not see clearly what might be near or behind targets, even the focusing ring on a hand-held unit is a blur to me. Fumbling around with these units in a blur is a pretty bad idea.

However, the two safety glasses that I already have (an Eagle Pair and some generic glasses with no brand label) do not (I think) work safely when worn over my bifocals. My bifocals push the safety glasses really far away from my face, so that there is PLENTY of room above, below, and to the sides of the lenses for a secondary reflection to come in and hit my eyes.

Plus, when my bifocals push the safety glasses out from my face,
the safety glasses are not very secure (they are loose and want to fall off).

My bifocals are not even large or protrusive. They are only about 1"x2", and I wear them pretty close to my eyes.

I seem to be caught between a rock and a hard place.

Am I missing something obvious? (Very possible at my advanced age).

What do all you folks who have to wear prescription lenses do for your eye protection?


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Old 02-12-2011, 11:14 PM #2
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Default Re: Safety Glasses with Eyeglasses

You may be able to find "fit-over" goggles at places like OEM laser systems, Laserglow, and some others I don't remember.

These should "fit over" your glasses so that you can be protected and still see what you are doing.

Edit: Here is a link to OEM for reference: http://oemlasersystems.com/product-c...-argon-blu-ray

Hope this helps...

Last edited by RA_pierce; 02-12-2011 at 11:16 PM.
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Old 02-13-2011, 01:57 PM #3
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Default Re: Safety Glasses with Eyeglasses

Quote:
Originally Posted by RA_pierce View Post
You may be able to find "fit-over" goggles at places like OEM laser systems, Laserglow, and some others I don't remember.

These should "fit over" your glasses so that you can be protected and still see what you are doing.

Edit: Here is a link to OEM for reference: AL2 - KTP, Argon, Blu Ray [NR-AL2-00FDA] - $73.50

Hope this helps...
I can speak for the OEM glasses. I have style 700 and 60, and either is comfortable over my glasses. I use the 700s the most often for ease of use. They come with very nice cases and cleaning cloths.
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Old 02-13-2011, 02:33 PM #4
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Default Re: Safety Glasses with Eyeglasses

I'd go for those fit-over designs as well. Most laser goggles that are not specifically designed to fit over another pair of glasses are not suited otherwise.

If it is possible with your prescription you could also consider using contact lenses and a 'normal' set of safety goggles.
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Old 02-13-2011, 03:41 PM #5
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Default Re: Safety Glasses with Eyeglasses

Those fitovers look like the ticket. Thanks, guys!

Since I resisted getting glasses until just a couple of years ago (got by for years on the $10 off-the-shelf drugstore glasses for reading) I had no idea that fit-over goggles existed. A good discovery.
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Old 02-14-2011, 09:59 AM #6
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Default Re: Safety Glasses with Eyeglasses

I have these, not because I have glasses but because the sit very comfortable.
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Old 02-27-2011, 11:02 PM #7
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Default Re: Safety Glasses with Eyeglasses

Quote:
Originally Posted by proud2deviate View Post
I can speak for the OEM glasses. I have style 700 and 60, and either is comfortable over my glasses. I use the 700s the most often for ease of use. They come with very nice cases and cleaning cloths.

OK, I'm going a little crazy here. Hopefully someone can enlighten me. I apologize for being a numbskull.

I think that the OEM glasses look good. (The Laservision products also look good, but the OEM website has a lot more detail about their products). The OEM styles 38, 39, 60, and 700 / 900 all look like they could be suitable.

However, what's got me stuck right now is the sizing guidelines:

Laser Eye Protection Sizing Guide

My bifocals measure 146mm between the outer edges of the temple end pieces. NONE of the protective glasses on the OEM site are above 145mm temple measurement.

The style 60 goggles are only 145mm; which means that they would not fit over my bifocals?

There must be something that I am missing here. People report happily using the styles 60 and 700 over prescription glasses. My bifocals are not extravagantly wide -- if anything, I prefer a "minimalist" look.

I obviously do not understand something. Can anyone enlighten me?
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Old 02-28-2011, 12:29 AM #8
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Default Re: Safety Glasses with Eyeglasses

Perhaps they got some measurements mixed up. I just measured my fairly small but otherwise normal suglasses. The distance between the outer edges of the pivot points is about 130 mm.

Something like the style 700/900 look like ordinary impact-protection overlay glasses and should probably fit most normal pairs of glasses undernearth. Perhaps you can ask for exact measurements at the manufacturer and then figure out if your normal glasses will or won't fit underneath.
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Old 11-28-2011, 08:26 AM #9
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Default Re: Safety Glasses with Eyeglasses

Hi ,
Many varieties of eyeglasses are available in market,you can get them at low prices from online stores.
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