[optimal] Re: Fundus camera cleaning regimens
- From: Jonathan Shankle <jonathan.shankle@xxxxxxxxx>
- To: "optimal@xxxxxxxxxxxxx" <optimal@xxxxxxxxxxxxx>
- Date: Thu, 11 Jul 2013 11:11:47 -0400
" the best way to clean a lens is not to get it dirty in the first place"
On Thu, Jul 11, 2013 at 11:09 AM, Egnatz, Thomas James <tegnatz@xxxxxxxxx>wrote:
> I would say clean only as needed. Use a big blower bulb like the Giottos
> (looks like a 1940s A-bomb, stands up by itself and does not roll off the
> table) to blow the occasion dust off, though.
>
> It is best to try to minimize getting nose prints on the lens. I always
> pull back the retinal camera joystick, and then move the table up (our
> Reliance chair does not move) and have the patient put his chin in. On the
> Cirrus, I can't do this. I tell the patient to carefully put his chin on
> the left side of the chin rest. This is a difficult concept for some, and
> they seem to aim the nose for the lens before I can stop them.
>
> I found ether to be expensive and volatile, the majority of it evaporated
> instead of being used. Cotton ball (not Q-tips) and alcohol work for me.
>
> Tom
>
> .Quoting Noelle Pensec <npensec@xxxxxxxxx>:
>>
>
> Thank you everyone for your GREAT responses. I suspect that kimwipes and
>> maybe some salt crystals were the culprit in our scratched lens. I really
>> appreciate all the tips and advice. Hopefully this won't ever happen
>> again!
>>
>> One more question to add: does anyone clean lenses preventatively (i.e.
>> daily) or should it be done only as needed?
>>
>> Thanks again for all the great information!
>>
>>
>> Noelle Pensec
>>
>>
>> On Thu, Jul 11, 2013 at 9:58 AM, Hackel, Richard
>> <rhackel@xxxxxxxxxxxxx<**javascript:_e({}, 'cvml',
>> 'rhackel@xxxxxxxxxxxxx');>
>>
>>> wrote:
>>>
>>
>> Easy to use. Maybe a little on-line video demo would be good. Optos also
>>> said it's ok to use on their mirror for small droplets.****
>>>
>>> ** **
>>>
>>>
>>> Unfortunately for the first time in 29 years I won't be at the meeting
>>> unless I find a new sponsor between now and then!****
>>>
>>> ** **
>>>
>>> Miss ya'llready!****
>>>
>>> ** **
>>>
>>> Richard****
>>>
>>> ** **
>>>
>>> *From:* optimal-bounce@xxxxxxxxxxxxx <javascript:_e({}, 'cvml',
>>> 'optimal-bounce@xxxxxxxxxxxxx'**);>
>>> [mailto:optimal-bounce@**freelists.org <optimal-bounce@xxxxxxxxxxxxx>
>>> <javascript:_e({}**, 'cvml',
>>> 'optimal-bounce@xxxxxxxxxxxxx'**);>]
>>> *On Behalf Of *Bennett, Timothy
>>> *Sent:* Wednesday, July 10, 2013 8:49 PM
>>>
>>> *To:* <optimal@xxxxxxxxxxxxx <javascript:_e({}, 'cvml',
>>> 'optimal@xxxxxxxxxxxxx');>>
>>> *Subject:* [optimal] Re: Fundus camera cleaning regimens****
>>>
>>> ** **
>>>
>>>
>>> It's probably too simple for the Scientific Session, but would be perfect
>>> for the new Pearls, Tips, & Tactics course.****
>>>
>>> ** **
>>>
>>> tim****
>>>
>>> ** **
>>>
>>>
>>>
>>> On Jul 10, 2013, at 8:43 PM, "Peter Hay,CRA, FOPS"
>>> <peterhay@xxxxxxx<javascript:_**e({}, 'cvml', 'peterhay@xxxxxxx');>>
>>> wrote:****
>>>
>>>
>>> Hello Richard-
>>>
>>> How do you use this device ???? Sounds like a great short scientific
>>> lecture presentation !!
>>>
>>> Peter****
>>>
>>> On 5:38 PM, "Hackel, Richard" <rhackel@xxxxxxxxxxxxx <javascript:_e({},
>>> 'cvml', 'rhackel@xxxxxxxxxxxxx');>> wrote: ****
>>>
>>> I've had great luck with these lens cleaning pens:****
>>>
>>> ****
>>>
>>>
>>> http://www.bhphotovideo.com/c/**product/202075-REG/Celestron_**
>>> 93575_LensPen_Tool.html<http://www.bhphotovideo.com/c/product/202075-REG/Celestron_93575_LensPen_Tool.html>
>>> ****
>>>
>>> ****
>>>
>>>
>>> One of the Zeiss service people recommended it when he was here cleaning
>>> the camera. I don't know how they work, but like the saying on the Bon
>>> Ami
>>> can says: 'hasn't scratched yet."****
>>>
>>> ****
>>>
>>> Richard ****
>>>
>>> ****
>>>
>>> *From:* optimal-bounce@xxxxxxxxxxxxx <javascript:_e({}, 'cvml',
>>> 'optimal-bounce@xxxxxxxxxxxxx'**);>
>>> [mailto:optimal-bounce@**freelists.org <optimal-bounce@xxxxxxxxxxxxx>
>>> <javascript:_e({}**, 'cvml',
>>> 'optimal-bounce@xxxxxxxxxxxxx'**);>]
>>> *On Behalf Of *Hugo_Hur@xxxxxxxxx <javascript:_e({}, 'cvml',
>>> 'Hugo_Hur@xxxxxxxxx');>
>>> *Sent:* Wednesday, July 10, 2013 5:04 PM
>>> *To:* optimal@xxxxxxxxxxxxx <javascript:_e({}, 'cvml',
>>> 'optimal@xxxxxxxxxxxxx');>
>>> *Subject:* [optimal] Re: Fundus camera cleaning regimens****
>>>
>>> ****
>>>
>>> Noelle,****
>>>
>>> ****
>>>
>>>
>>> We recommend first using a blower to remove any dust/particles that may
>>> damage the objective lens. ****
>>>
>>> ****
>>>
>>>
>>> You can then use a lens cloth and denatured alcohol. Do NOT use
>>> isopropyl
>>> alcohol or other harsh cleaning chemicals, which can remove the coating
>>> on
>>> the outer surface of the objective lense. ****
>>>
>>> ****
>>>
>>> Sincerely,****
>>>
>>> ****
>>>
>>> Hugo Hur ****
>>>
>>> ****
>>>
>>> ****
>>>
>>> ** **
>>>
>>> ****
>>>
>>>
>>>
>>> On Jul 10, 2013, at 4:59 PM, "Noelle Pensec"
>>> <npensec@xxxxxxxxx<javascript:**_e({}, 'cvml', 'npensec@xxxxxxxxx');>>
>>> wrote:****
>>>
>>> Hello OPTIMAL,****
>>>
>>>
>>> I am wondering if anyone has a set protocol for cleaning fundus cameras.
>>> Specifically, how often do you clean the front objective lens, and what
>>> methods do you use? We recently discovered that one of our camera lenses
>>> was badly scratched from someone cleaning with something abrasive
>>> (seriously looks like it was done with sandpaper..thankfully it does not
>>> affect the image at all in most cases)****
>>>
>>> Any other tips on camera cleaning and maintenance would be welcome! ****
>>>
>>> Thanks very much!****
>>>
>>> Noelle Pensec****
>>>
>>>
>>>
>>>
>>>
>>> Noelle Pensec
>>> Columbia University Medical Center****
>>>
>>> Diagnostic Imaging Specialist ****
>>>
>>> (212) 305-0647****
>>>
>>> ****
>>>
>>> ****
>>>
>>>
>>> ************************************************************
>>> Electronic Mail is not secure, may not be read every day, and should not
>>> be used for urgent or sensitive issues ****
>>>
>>>
>>>
>>> --
>>> Sent from my Android phone with K-@ Mail. Please excuse my brevity. ****
>>>
>>> ************************************************************
>>> Electronic Mail is not secure, may not be read every day, and should not
>>> be used for urgent or sensitive issues
>>>
>>>
>>
>
>
>
>
--
*_________________*
*Jonathan Shankle, CRA OCT-C*
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