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Gas Permeable Contact Lenses A discussion of gas permeable contact lenses such as Boston 7, Boston Envision, Boston EO, Boston Equalens, Boston Equalens II, Boston ES, Boston II, Boston IV, Boston RXD, Boston XO, Boston XO2, Flosi, Fluorex 300, Fluorex 500, Fluorex 700, Fluorocon, Fluoroperm 151, Fluoroperm 30, Fluoroperm 60, Fluoroperm 92, Hydro 02, OP-2, OP-3, OP-6, O-Perm 30, O-Perm 60, Optacryl 60, Optimum Classic, Optimum Comfort, Optimum Extra, Optimum Extreme, Paragon HDS, Paragon HDS 100, Paragon Thin, Paraperm 02, Paraperm EW, PMMA, Polycon II, SA 18 (Phoenix 18) , SA 32 (Phoenix 32), SGP I, SGP II, SGP III, Trans-aire


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Extremely dry eyes

This is a discussion on Extremely dry eyes within the Gas Permeable Contact Lenses forums; i've had an instance where i was sitting on the couch and my contact fell ...


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  #1 (permalink)  
Old 09-08-2012, 05:15 PM
Contact Lenses Forum - Freshman
 
Join Date: Aug 2012
Posts: 7
Unhappy Extremely dry eyes

i've had an instance where i was sitting on the couch and my contact fell out of my eye and was bone dry (obviously nothing between the eye and lens was there to keep it stuck to my eye...

and last night i took out my lenses and they were dry on both sides again.

this is despite using rewetting drops...what are some recommendations?


i'm currently using Optimum by Lobob system because the Boston Advance was leaving me with terrible vision after a few hours due to build up. And i've been using RGPs for about 4 weeks now.

thanks for helping!
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  #2 (permalink)  
Old 09-09-2012, 08:46 PM
Contact Lenses Forum - Ph.D.
 
Join Date: Nov 2011
Posts: 2,381
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Heres the thing.....dry eye is a complex issue and involves your personal tear chemistry and is dramatically affected when someone has dry eyes.

Rgp lenses contain silicone, flourine, and PMMA creating breatheable lenses. But the higher the silicone content the higher the 02 transmission but can create a dry non wetting lens.

People with dry eyes function better with mid to lower dk lenses because those materials spread tears easier. When someone has dry eyes the tears dont lubricate so lenses get coated with deposits.

Try using a moisturizing eye drop like refresh tears every hour or so and that will also maintain your tear film. Also try your best to keep lenses as clean as possible to prevent deposits due to dry eyes.

Some great lower dk materials excellent for dry eye, floroperm 60, boston eo, paraperm o2, polycon 2,etc. Or the older silicone acrylate lenses.
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Old 09-10-2012, 08:53 AM
VAB VAB is offline
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Join Date: Dec 2007
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Quote:
Originally Posted by luvbostonxo2's View Post
Heres the thing.....dry eye is a complex issue and involves your personal tear chemistry and is dramatically affected when someone has dry eyes.

Rgp lenses contain silicone, flourine, and pmma creating breatheable lenses. But the higher the silicone content the higher the 02 transmission but can create a dry non wetting lens.

People with dry eyes function better with mid to lower dk lenses because those materials spread tears easier. When someone has dry eyes the tears dont lubricate so lenses get coated with deposits.

Try using a moisturizing eye drop like refresh tears every hour or so and that will also maintain your tear film. Also try your best to keep lenses as clean as possible to prevent deposits due to dry eyes.

Some great lower dk materials excellent for dry eye, floroperm 60, boston eo, paraperm o2, polycon 2,etc. Or the older silicone acrylate lenses.
Thank you for explaining that so well, luvbostonxo2's.
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Old 09-13-2012, 08:44 AM
Contact Lenses Forum - Ph.D.
 
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Quote:
Originally Posted by VAB View Post
Thank you for explaining that so well, luvbostonxo2's.
Two fantastic materials which are amazing at spreading tears and are ultra high gas permeable are the two newest Boston materials...XO and XO2.

this material has the qualities of a ultra high breathable lens but with the the surface wetting behaviour of a mid to lower dk lens.

great for people with dry eyes btw.
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Old 09-13-2012, 09:34 AM
Contact Lenses Forum - Bachelors Degree
 
Join Date: Dec 2007
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Quote:
Originally Posted by luvbostonxo2's View Post
Two fantastic materials which are amazing at spreading tears and are ultra high gas permeable are the two newest Boston materials...XO and XO2.

this material has the qualities of a ultra high breathable lens but with the the surface wetting behaviour of a mid to lower dk lens.

great for people with dry eyes btw.
Would you recommend Boston XO and/or Boston XO2 to someone with dry eyes who has never worn RGP lenses before?
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Old 09-20-2012, 12:09 AM
Contact Lenses Forum - Ph.D.
 
Join Date: Nov 2011
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Quote:
Originally Posted by Hypnoteyes View Post
Would you recommend Boston XO and/or Boston XO2 to someone with dry eyes who has never worn RGP lenses before?
both lenses are good materials and both materials behaves like a lower dk wetteable material.

Bausch and Lomb really nailed it when they were creating the xo2 material.

if your prescription is quite high -10.00 or higher I would recommend the xo2 material...because higher powers tend to make lenses thicker.

for powers that are below-10.00 using the xo material in a thin lens design is fantastic.

overall...the XO is the bmw of lens materials and xo2 is the benz..higher performing material.

the ultra high o2 transfer with the xo2 material makes it a great material for those that wear their lenses for long periods all day long.
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Old 09-21-2012, 06:39 AM
Contact Lenses Forum - Freshman
 
Join Date: May 2011
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dry eyes and hard CLs seems like a bad mix.

go over to Dry eyes forum , www.dryeyezone.com .,
for various horror stories.

do you really want to add hard CLs to that?
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Old 12-20-2012, 02:45 PM
Contact Lenses Forum - Sophomore
 
Join Date: Feb 2010
Posts: 74
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Hi Justy, also don't forget to drink lots of water and taking fish oil supplements can help improve the quality of your tears.
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Old 05-25-2013, 12:38 PM
Contact Lenses Forum - Ph.D.
 
Join Date: Nov 2011
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Quote:
Originally Posted by excess3 View Post
dry eyes and hard CLs seems like a bad mix.

go over to Dry eyes forum , www.dryeyezone.com .,
for various horror stories.

do you really want to add hard CLs to that?
yes and it can make rgp lenses feel like dry corn flakes in your eyes!
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