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IOL with the best track record?
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Fidelis K.
medicine forum beginner


Joined: 18 Jul 2006
Posts: 1

PostPosted: Tue Jul 18, 2006 12:12 am    Post subject: IOL with the best track record? Reply with quote

Is a particular IOL brand considered the best in terms of safety (e.g.,
complications such as secondary cataract, etc)? I'm having cataract surgery
on 8/09 and will meet the surgeon on 7/31. I just want to know if a
particular brand stands out among various IOLs.
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William Stacy
medicine forum Guru


Joined: 01 May 2005
Posts: 1177

PostPosted: Tue Jul 18, 2006 7:09 am    Post subject: Re: IOL with the best track record? Reply with quote

Fidelis K. wrote:
Quote:
Is a particular IOL brand considered the best in terms of safety (e.g.,
complications such as secondary cataract, etc)? I'm having cataract surgery
on 8/09 and will meet the surgeon on 7/31. I just want to know if a
particular brand stands out among various IOLs.


I think it might depend more on what the surgeon is accustomed to using,
and would go with his/her recommendations. I do think a relatively
sharp edge design is better for preventing sec. cat., esp. if the
surgeon polishes the posterior capsule. I have Technis IOLs and they are
great because they also correct spherical aberration (there are now a
few brands that do that). Most importantly, I would not let a surgeon
talk me into a multifocal IOL or a focus changing design.

w.stacy, o.d.
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ACP
medicine forum beginner


Joined: 18 Jul 2006
Posts: 7

PostPosted: Tue Jul 18, 2006 2:57 pm    Post subject: Re: IOL with the best track record? Reply with quote

<snip>


Quote:
Most importantly, I would not let a surgeon talk me into a multifocal IOL
or a focus changing design.

w.stacy, o.d.

Could you elaborate a bit?

Thanks
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William Stacy
medicine forum Guru


Joined: 01 May 2005
Posts: 1177

PostPosted: Tue Jul 18, 2006 4:49 pm    Post subject: Re: IOL with the best track record? Reply with quote

I think the evidence shows that the focusing lenses, like the
crystallens don't really give much "accommodation" if any, and to
implant that bulky hinged lens without hope for much focusing, is bad
medicine, imo.

Re the multifocals, all multifocals cause more light scatter than the
equivalent single vision lenses, which obviously will compromise night
vision, at least. Also, less than half the incoming light will be in
focus at any particular viewing distance, which is why reading in dim
lighting (e.g. in a restaurant, etc.) is not any where near as good as
with single vision iols plus spectacle readers).

If the patient absolutely refuses to wear supplemental glasses under any
circumstances, then multifocal iols may be indicated, but I think that's
a rare patient who has to be fully informed that the vision will not be
perfect at any distance whatsoever.

w.stacy, o.d.



ACP wrote:

Quote:
snip




Most importantly, I would not let a surgeon talk me into a multifocal IOL
or a focus changing design.

w.stacy, o.d.



Could you elaborate a bit?

Thanks



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ACP
medicine forum beginner


Joined: 18 Jul 2006
Posts: 7

PostPosted: Wed Jul 19, 2006 12:19 am    Post subject: Re: IOL with the best track record? Reply with quote

Thanks for your input.
"William Stacy" <wstacy@obase.net> wrote in message news:oi8vg.50258$VE1.34750@newssvr14.news.prodigy.com...
I think the evidence shows that the focusing lenses, like the crystallens don't really give much "accommodation" if any, and to implant that bulky hinged lens without hope for much focusing, is bad medicine, imo.

Re the multifocals, all multifocals cause more light scatter than the equivalent single vision lenses, which obviously will compromise night vision, at least. Also, less than half the incoming light will be in focus at any particular viewing distance, which is why reading in dim lighting (e.g. in a restaurant, etc.) is not any where near as good as with single vision iols plus spectacle readers).

If the patient absolutely refuses to wear supplemental glasses under any circumstances, then multifocal iols may be indicated, but I think that's a rare patient who has to be fully informed that the vision will not be perfect at any distance whatsoever.

w.stacy, o.d.



ACP wrote:
<snip>


Most importantly, I would not let a surgeon talk me into a multifocal IOL
or a focus changing design.

w.stacy, o.d.

Could you elaborate a bit?

Thanks
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