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Medical Forum / General / Vision / April 2006

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Lens materials

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Roy Starrin - 22 Apr 2006 14:43 GMT
Having had the surgical consultants inputs on what do to about my
increased astigmatism due a misplaced LRI during catarct surgery, at
about 4+ months out I am going to have sime independent
optometrists look at the eye.
This is based on the premise stated here by some members that my
current OD +0.50/-2.75/105   ADD 2.50 trifocal situation is a
refraction problem, and could/should be corrected by an optometrist
vice surgically.  Am still deciding, but will say I entered the
initial surgery expecting to be wearing trifocals when it was done and
having to do so is not a problem.
Anyhoo, recent discussions in the group about the materials of lenses
has really made my eyes cross.  Since they apparently make a
difference, is there some material by type, or brand name that could
reliably be predicted to have a better outcome for me than others.
Is there a material/brand name to avoid.
FYI, I am currently wearing something cheap with easily changeable
lenses(of unknown material), which I supplement with those horrendous
cataract glasses if the sun gets to me.  Utltimately, either with or
without the surgery, my final pair will ideally have a self-darkening
feature, something I have had for years before the surgery.
TIA - Y'all have helped more than you know
    Roy
Robert Martellaro - 24 Apr 2006 22:50 GMT
>Having had the surgical consultants inputs on what do to about my
>increased astigmatism due a misplaced LRI during catarct surgery, at
[quoted text clipped - 18 lines]
>TIA - Y'all have helped more than you know
>     Roy

The vision should be fine with any lens material. Trivex is now available in
trifocals if you want lightweight and extreme impact resistance. Cr39 plastic
will be less expensive if weight is not an issue. I don't recommend Transitions
for the older eye- it's not a good sunglass and stays tinted to long for good
twilight/evening performance. Try clear, coated (anti-reflection) lenses for
indoors and at night, and a polarized brown clip, fit-over, or Rx sunglass for
the sun.

Hope this helps

Robert Martellaro
~~~~~~~~~~~~~~~~~~
Optician/Owner
Roberts Optical
~~~~~~~~~~~~~~~~~~
"If a million people believe a foolish thing, it is still a foolish thing."
-  Anatole France
William Stacy - 25 Apr 2006 01:04 GMT
I tend to agree with most of that, but transitions is ok for the
pseudophakic eye, as their IOLs have no color at all and thus transmit
more visible light than the normal human lens. It's nice to have built
in UV and some sunlight reduction with IOLs. I'd consider transitions
plus a clip.

w.stacy, o.d.

>>Having had the surgical consultants inputs on what do to about my
>>increased astigmatism due a misplaced LRI during catarct surgery, at
[quoted text clipped - 36 lines]
> "If a million people believe a foolish thing, it is still a foolish thing."
> -  Anatole France
Roy Starrin - 25 Apr 2006 13:53 GMT
>I tend to agree with most of that, but transitions is ok for the
>pseudophakic eye, as their IOLs have no color at all and thus transmit
>more visible light than the normal human lens. It's nice to have built
>in UV and some sunlight reduction with IOLs. I'd consider transitions
>plus a clip.
First, thank you both for your replies
Now, my  pseudophakic eyes, have IOLs which I understand to provide
some filter:  They are Alcon AcrySof UV w/ blue light filter, model
SN60WF.  However, I do really miss the transitions which I had worn
all my later life up until the surgery 12/5. I'm still carrying around
my cataract shades, and usually leaving them in the wrong car, etc.  
My current lenses have an anti glare coating.  Since I don't know what
it would be like without them, I have no idea what help they are.
They sure do attract smudges.  
Anyway, the independent OD I saw yesterday was able to make the double
vision go away.  We ran out of time, so I am going back today and he
will have one of those trial lens set ups for me to wear.  Wants me to
take a couple of hours, "do whatever you want"  and see what you think
(i.e. do the other abberations go away, or, can I live with this
refraction and no further surgery?)

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