I follow the count to 10 rule to maximize the stimulation and then the image.
Denice Barsness, CRA, COMT, CDOS, ROUB,FOPS
CPMC Dept of Ophthalmology
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 ;
Behalf Of Grout, Sean
Sent: Monday, April 05, 2021 11:36 AM
To: optimal@xxxxxxxxxxxxx
Subject: [**External**] [optimal] Re: FAF before colors
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Hi Tim,
"with the Spectralis, we let the light expose the lipofusin for 20 seconds
before we take the image" Are you saying that you expose the pt to that bright
FA/FAF light for 20 sec, and then take the FAF? I have never done this, and I'd
like to think our patients are grateful for that! Also, I do try to always get
FAF prior to colors, to avoid the Zeiss circle or Spectralis rectangle bleach
mark.
Sean Grout
UNC Kittner Eye Center
Chapel Hill, NC
________________________________
From: optimal-bounce@xxxxxxxxxxxxx<mailto:optimal-bounce@xxxxxxxxxxxxx>
<optimal-bounce@xxxxxxxxxxxxx<mailto:optimal-bounce@xxxxxxxxxxxxx>> on behalf
of Steffens, Tim <tjsteffe@xxxxxxxxxxxxx<mailto:tjsteffe@xxxxxxxxxxxxx>>
Sent: Monday, April 5, 2021 12:30:27 PM
To: optimal@xxxxxxxxxxxxx<mailto:optimal@xxxxxxxxxxxxx>
Subject: [optimal] FAF before colors
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Hi all,
I have two docs requesting FAFs before colors because they were at virtual
conference and heard that FAF can be washed out even when obtained after a
color photo. This came from Vas Sadda, chair at USC. Has anyone heard of this?
I know with the Spectralis, we let the light expose the lipofusin for 20
seconds before we take the image because then the lipofusin is at its peak
emission. We can't do that with a fundus camera or LSO (Optos) because it a
single capture, the light is not constantly on. I would think that exposing the
retina to blue or green light (488 or 540nm) would help saturate the lipofusin
to emit more fluorescence or closer to peak fluorescence. Comments?
Thanks,
Tim Steffens
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