Kinda like CPR, eh? At what point do you call it?...
I agree. We routinely do macular OCT pre biometry, and a”hint” of a foveal
depression still gives the surgeon an extra comfort factor. Not unlike fundus
imaging, you have to work it to get through the least dense area. Since
metrics aren’t the issue here, not being truly coaxial, we can live with that.
The newer biometers, such as Atlas 700, are hanging their hats on a microscopic
piece of OCT of the fovea. I venture that in true cataractous lens, you need
more than that!
Denice Barsness, CRA, COMT, CDOS, FOPS
CPMC Dept of Ophthalmology/ The Eye Institute
Ophthalmic Diagnostic Services
711 Van Ness Avenue Suite 250
San Francisco CA 94109
415-600-5781
FAX 415-558-7011
From: optimal-bounce@xxxxxxxxxxxxx [mailto:optimal-bounce@xxxxxxxxxxxxx] On ;
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Sent: Thursday, January 16, 2020 3:33 PM
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Subject: [optimal] Re: [External] FW: [**External**] From Denice SF Retinal OCT
Bring it!
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Gary, A good last point. But on some patients, trying for 4-5 minutes instead
of 1-2 minutes to get a scan pays off. There were many instances of poor media
where I would finally get a scan showing the macula with a smooth foveal
depression.
Granted, a signal strength of 1/10 or 0/10, but good enough to show the macula
as”flat and attached”, indicating further surgery might be of benefit.
Tom
On Jan 16, 2020, 1:48 PM -0500, CPMC Ophthalmic Diagnostic Center
<dmarc-noreply@xxxxxxxxxxxxx<mailto:dmarc-noreply@xxxxxxxxxxxxx>>, wrote:
Thanks Gary. Got this one.
Yeah, Read your Manual!
And follow that Indian wisdom- when your horse falls down, quit beating it….
You have a great list, I would include....
-understand your OCT device, how to use it and what it can do for you.
-recognizing artifacts- causes, location, how to correct
-know the point at which you're not going to achieve a better image.
Gary
