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This is a discussion on What is LACREON within the 1-Day Acuvue Moist forums; Hello, I have recently switched to 1-day acuvue moist from focus dailies. I will say ...

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  #1 (permalink)  
Old 03-05-2009, 08:50 PM
Contact Lenses Forum - Freshman
Join Date: Mar 2009
Posts: 2
Wink What is LACREON


I have recently switched to 1-day acuvue moist from focus dailies. I will say the acuvue are a much more comfortable lens. Cost twice as much but that is worth it.

I cannot find an answer to: What is Lacreon?

All I can find is the marketing phrase
*LACREON™ is Johnson & Johnson Vision Care, Inc.'s brand name for its proprietary technology that permanently embeds a water-holding ingredient, similar to that found in natural tears, into the proven etafilcon A material.
What is the water-holding ingredient and is it coming off the lenses and into my eyes? If I have to store a pair in cleaning/disinfecting solution over-night and wear them again does the "water holding agent" get diminished, rinsed away?
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  #2 (permalink)  
Old 03-06-2009, 06:54 PM
Contact Lenses Forum - Senior
Join Date: Dec 2007
Posts: 336
Default Lacreon Technology in 1 Day Acuvue Moist

Technically, these are ONE day contact lenses. You really shouldn't be cleaning them overnight or wearing them for more than a day. But I know that many people do.
Based on what I've heard about this Lacreon® it's permanently embedded in the lens. Therefore, no matter what you do to it, it's always going to be a part of the lens and cleaning or storing should have no adverse effects.
I'm not a doctor though and you should always check with a professional.
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  #3 (permalink)  
Old 03-08-2009, 11:00 AM
Contact Lenses Forum - Freshman
Join Date: Mar 2009
Posts: 2

Thank you for your reply.

Yes, I realise its not ideal to wear these contacts for more than one day. I do not do it as a matter of course. But as somebody who has worn contacts for years, I know it does and will happen.

Its good to know that the "moist" is not a coating that wears off. I was concerned these lenses had some sort of lubricant on them that was washing off every time I blinked and going into my eyes. Who knows what the long term affect of something like that would be.

I am very happy with the 1-day acuvue moist lenses. I wore focus dailies for years and acuvue's are so much more comfortable.
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Old 08-08-2016, 11:47 PM
Contact Lenses Forum - Freshman
Join Date: Aug 2016
Posts: 1
Question I may have found a patent that answers this question?

I followed a link from the Acuvue website to a listing of several patents. Patent US 7841716 sounds like it may hold the answer, but I'm not positive. If this is, in fact, the correct patent to be looking at, it sounds like the wetting agent may be something called polyvinylpyrrolidone which is impregnated into the Etafilcon-A lens material via immersion in a polyvinylpyrrolidone solution followed by the application of heat for several minutes.

Can anybody confirm this layman's reading of the patent gibberish? (Is it even the right patent??). Search google for "patent US 7841716" to read the patent.
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Old 11-26-2016, 04:44 AM
Contact Lenses Forum - Freshman
Join Date: Nov 2016
Posts: 16

Thanks for the information..
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