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Medical Forum / General / Vision / May 2006

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Breaking in RGPs - or vice versa

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Neil Brooks - 08 May 2006 04:03 GMT
Any advice on how to better manage/endure the process?

Was wearing Hydrasoft Torics as daily wear.

Picked up my new Dyna-Z Intra-limbal RGPs [1] on Thursday.  They're
made of Menicon Z (189 DK) material.  

The plan was to begin with four hours on Friday, then add an hour per
day until ful-time is reached.

The pain ... sucks ... pretty much from five minutes after insertion
until removal, definitely getting much worse about an hour before the
scheduled wear time is over.  I'm not having any particular blurred
vision or redness issues; no antisocial discharge.  Left eye
definitely feels more "banged up" on removal than the right--like ...
I might be causing SPKs there ... or something.

Once I remove them, I throw in a couple drops of the 0.5% hyaluronic
acid that was compounded for me, then warm Ye Olde Corn Bagge and slap
that over my closed eyes for a while.

...but it's bad.  Between the dry eye and the accommodative crap, I
wasn't really looking to ADD to the heap....

Anything I can do, generally?  I'll reach out to the OD tomorrow, but
would welcome any practical tips in the meantime.

Would you typically back down on the aggressiveness of the break-in
schedule?  Give steroid drops to get through the worst of it?  If you
were me ... and *thought* it was an SPK OS ... would you put  an
ophthalmic antibiotic drop or two in, or just tough it out and be seen
by the prescribing doc asap?

Ouch.

TIA,
Neil

[1] http://tinyurl.com/zqo8e
LarryDoc - 08 May 2006 19:44 GMT
> Any advice on how to better manage/endure the process?

Drops, drops and more drops.

Fill the lens with wetting drop prior to insertion and then following.  
Add  drops every hour if need be.  If it still hurts, I'd discontinue
using the lens until you can be seen by the doc.  Some discomfort is not
unusual.  Pain that worsens with time is not.

I've found that Refresh Contacts (AKA Refresh Tears) works well with the
Menicon material.  Some rewetting drops do not.  There are probably a
number of formulations that do work well.  If the drop works, your lid
will slide effortlessly over the lens. If not, and the lid tugs on the
lens, it will be a drag---literally.

LB, O.D.
Neil Brooks - 08 May 2006 19:51 GMT
>> Any advice on how to better manage/endure the process?
>
[quoted text clipped - 12 lines]
>
>LB, O.D.

Thanks much, Doc.  

As luck would have it, I have some Refresh in the dispensary.  I'll
give them a try.

Working up the courage to put them in today.  If the pain on insertion
is sharp or excessive, I'll abandon until I can be evaluated....
Quick - 08 May 2006 20:11 GMT
>>> Any advice on how to better manage/endure the process?
>>
[quoted text clipped - 23 lines]
> on insertion is sharp or excessive, I'll abandon until I
> can be evaluated....

I'm well past the adaption period (months ago) but I was
using drops about 2 to 4 hours (Blink).  Then I went to
drops once around the middle of the day. I found it much
more effective if I removed the lenses, put a drop on each
side and reinserted than just drops without taking them out.

Now I've been using Systane Free 10 minutes before insertion
in the morning. Seems to make a big difference. I only occassionally
use drops once during the day.

-Quick
Neil Brooks - 08 May 2006 20:39 GMT
>I'm well past the adaption period (months ago)

Well ... arguably ... you survived :-)

>but I was
>using drops about 2 to 4 hours (Blink).  Then I went to
[quoted text clipped - 5 lines]
>in the morning. Seems to make a big difference. I only occassionally
>use drops once during the day.

As a dry eye person, I start the morning with the 0.5% hyaluronic acid
drop (shown in studies not only to increase tear breakup time, but to
speed corneal healing.  Active ingredient in Blink is, IIRC, 0.15%
HA).  It's also contact lens safe....

About 15 minutes later, I go to the 2% castor oil ophthalmic (shown to
increase tear breakup time), then a warm compress.

I have regular Systane still, and I do a similar thing to your routine
prior to the RGP assault.

During the CL part of the day, I use the HA if I'm home (no
preservative; needs refrigeration) and the Blink if I'm out and about,
though I have NOT taken them out, used a new filler drop and
reinserted.  That sounds like a zero-downside idea.

What brand are your RGPs?  Do you get "all-day" wear time now, without
major issues??

Thanks,
Neil
Quick - 08 May 2006 21:45 GMT
>> I'm well past the adaption period (months ago)
>
[quoted text clipped - 25 lines]
> I have regular Systane still, and I do a similar thing to
> your routine prior to the RGP assault.

I have both (bought the regular because I didn't see the Free
one time). I believe the Systane Free (which comes in a much
smaller bottle and is more expensive) is more viscous than
the regular. I think it says "gel" somewhere on the bottle too.
The Systane Free seems to be much more effective. I wait
the 10 minutes before CL insertion because if I don't then
it takes a long time for the lenses to "settle" and my vision
is blurry until they do. I assume they are riding on a relatively
thick layer of the Systane.

> During the CL part of the day, I use the HA if I'm home
> (no preservative; needs refrigeration) and the Blink if
> I'm out and about, though I have NOT taken them out, used
> a new filler drop and reinserted.  That sounds like a
> zero-downside idea.

Makes a huge difference. Seems the drops don't really get
under the lenses if I don't. It's also very soothing when re-inserting
with that drop on the inside of the lens.

> What brand are your RGPs?  Do you get "all-day" wear time
> now, without major issues??

You forgot. I'm the guy with the Tangent Streak (Fused Kontacts)
trifocals.  and.... I've forgotten the material... O2 Extreme? maybe?
Next time I go in the doc is going to give me the details. I asked for
and he is collecting *all* the specs from Fused.

Yes I'm getting "all-day" wear time.
When I first started I could do about 6 hours. Discomfort after about
2 and a lot of discomfort for the last hour or so. Drops every 1 to 2
hours.
In about a week I was doing 8 to 10 hours. I would take
them out for a half hour or so in the middle of the day. drops every
2 to 3 hours.
After a couple of weeks I was doing 10 to 12 hours. Again with half
hour removal in the middle with drops then and again in the evening.
Now it's 16 to 17 hours a day. Most days I remove, put drops on and
reinsert immediately once in the middle of the day. Sometimes not.
They are quite comfortable all day long. Towards the end of the day
they can become bothersome at times.

I clean them by rubbing with Optimum ESC each night, rinse it water,
and store in Unique PH. They go directly from the Unique PH into my
eye. If I go directly from the Unique PH into my eye without drops or
the Systane Free they feel sort of slightly "cottony".  With the drops
previously or the Systane now they feel just wonderful upon insertion.

-Quick
Neil Brooks - 09 May 2006 05:16 GMT
Neil Brooks wrote:

>> During the CL part of the day, I use the HA if I'm home
>> (no preservative; needs refrigeration) and the Blink if
>> I'm out and about, though I have NOT taken them out, used
>> a new filler drop and reinserted.  That sounds like a
>> zero-downside idea.

>Makes a huge difference. Seems the drops don't really get
>under the lenses if I don't. It's also very soothing when re-inserting
>with that drop on the inside of the lens.

Took a break mid- bike ride today and tried this.  Definitely
ameliorated the "broken glass under lens" sensation I was
experiencing!

>> What brand are your RGPs?  Do you get "all-day" wear time
>> now, without major issues??
[quoted text clipped - 3 lines]
>Next time I go in the doc is going to give me the details. I asked for
>and he is collecting *all* the specs from Fused.

Neat!

This moldy oldie?

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=1
893537&dopt=Abstract


OR: http://tinyurl.com/j5h6b

Also,

Tangent Streak. This lens, originally designed by Fused Kontacts, is a
one-piece rigid bifocal with a "no jump" design because the seg line
between distance and near powers is tangential at the geometric center
of the lens. It is available with adds from +0.75D to +4.00D, custom
diameters, 1.75D to 4.00D prism ballast and truncation. The bifocal
segment can be any height but averages 4.2mm, optics are good and a
trifocal is available for intermediate range acuity. The front cut may
cause flare and glare at night because of the potential rotation of
the lens. The lens is thicker than many other bifocal designs due to
the tangent cut on the front surface. The lenses are fit on K or
slightly flatter than K as steeper than K fits often results in
insufficient translation and excessive lens rotation. With primary
fixation, the bifocal segment should position approximately 0.3mm
above the inferior pupil margin in mesopic condition, and the lower
lens edge should be near the lower lid (Figure 4). [/quote]

Interesting!

>Yes I'm getting "all-day" wear time.
>When I first started I could do about 6 hours. Discomfort after about
[quoted text clipped - 9 lines]
>They are quite comfortable all day long. Towards the end of the day
>they can become bothersome at times.

I think tomorrow's plan will be the mid-day lens-out break.  Good
call.

>I clean them by rubbing with Optimum ESC each night, rinse it water,
>and store in Unique PH. They go directly from the Unique PH into my
>eye. If I go directly from the Unique PH into my eye without drops or
>the Systane Free they feel sort of slightly "cottony".  With the drops
>previously or the Systane now they feel just wonderful upon insertion.

I bought the PuriLens system

www.purilens.com

I've written to the makers of *my* GPs, but the general literature
seems to indicate that this thing is ok for RGPs, generally.  It *did*
seem to make my soft lenses more comfortable, though I suspect it will
*slightly* reduce lens life.  Not my first concern.

Thanks much.  Think I'll try the new Systane product....

Neil
CatmanX - 09 May 2006 09:16 GMT
My method is to sleep in them for the first week or 2 . remove them
when they start to annoy and replace them when you go to bed. Usually
they can't be felt by the end of the first week.
Neil Brooks - 09 May 2006 18:19 GMT
>My method is to sleep in them for the first week or 2 . remove them
>when they start to annoy and replace them when you go to bed. Usually
>they can't be felt by the end of the first week.

WOW!

Any contraindications for this??  For example, I have severe dry eye,
strong prescription (lowers overall oxygen transmissibility, no?)??

If you're serious ... and this isn't just a major no-no ... then this
could be a godsend....
 
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