[optimal] Re: [**External**] Subpar Zeiss Clarus AF Images

  • From: "CPMC Ophthalmic Diagnostic Center" <dmarc-noreply@xxxxxxxxxxxxx> ("cpmceyelab")
  • To: "optimal@xxxxxxxxxxxxx" <optimal@xxxxxxxxxxxxx>
  • Date: Mon, 20 Dec 2021 16:28:35 +0000

I had the same complaint with FAF using Clarus 700.  Was told to pull back on 
my working distance, use the Green filter.  All helped, but never matching the 
examples you see on line.  Center is fine, edges always soft, artifact = almost 
like a vignetting.   I usually just recrop the image to make it cleaner.



From: Barsness, Denice <BarsneD@xxxxxxxxxxxxxxxx>
Sent: Friday, December 17, 2021 10:09 AM
To: CPMC Ophthalmic Diagnostic Center <cpmceyelab@xxxxxxxxxxxxxxxx>
Subject: FW: [**External**] [optimal] Subpar Zeiss Clarus AF Images


________________________________
From: optimal-bounce@xxxxxxxxxxxxx<mailto:optimal-bounce@xxxxxxxxxxxxx> 
<optimal-bounce@xxxxxxxxxxxxx<mailto:optimal-bounce@xxxxxxxxxxxxx>>On Behalf 
OfCunningham Denise[E] 
<dmarc-noreply@xxxxxxxxxxxxx<mailto:dmarc-noreply@xxxxxxxxxxxxx>>
Sent: Friday, December 17, 2021 10:03:21 AM (UTC-08:00) Pacific Time (US & 
Canada)
To: optimal@xxxxxxxxxxxxx<mailto:optimal@xxxxxxxxxxxxx> 
<optimal@xxxxxxxxxxxxx<mailto:optimal@xxxxxxxxxxxxx>>
Subject: [**External**] [optimal] Subpar Zeiss Clarus AF Images

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We are slowly learning to use the Clarus 500. The color images are superb and 
typically without artifacts.

The green FAF images, however, are not up to par as almost every picture 
displays a series of dark concentric rings in the periphery along with uneven 
illumination, nasally and temporally.

Because of our relative inexperience with this instrument, we don't know if the 
cause is operator, patient, or equipment related. What do you think? How can we 
eliminate these unwanted artifacts.

Denise




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