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	Username   Password FM Forum Rules What are the criteria? FM Forums | Photo Critique | Join Upload & Sell    end    Archive 2012 · "Blue Eye"

Jefferson Offline • • • • Upload & Sell: Off p.1 #1 · "Blue Eye" I know what causes red eye (in photography), but what about blue eye? Blurr result of hand held shot...slow ss...brown dog moved Jefferson   Canon EOS 5D    70 mm    f/4.5    1/10 sec    1250 ISO    0.0 EV   Jan 24, 2012 at 11:21 PM

AuntiPode Offline • • • • • Upload & Sell: On p.1 #2 · "Blue Eye" Looks to me like light scattering in the cornea. Is the dog old enough to have cataracts? Jan 25, 2012 at 12:30 AM

Jefferson Offline • • • • Upload & Sell: Off p.1 #3 · "Blue Eye" AuntiPode wrote: Looks to me like light scattering in the cornea. Is the dog old enough to have cataracts? He's about 3 1/2 yrs., his eyes are fine Here's the next shot...   Canon EOS 5D    70 mm    f/4.5    1/8 sec    1250 ISO    0.0 EV   Jan 25, 2012 at 12:53 AM

AuntiPode Offline • • • • • Upload & Sell: On p.1 #4 · "Blue Eye" Because he's unlikely to have a cataract at age three, then light scattering by the tapetum layer seems more likely: http://www.scientificamerican.com/article.cfm?id=why-do-dogs-get-blue-not (Google is your friend.) Jan 25, 2012 at 01:49 AM

Jefferson Offline • • • • Upload & Sell: Off p.1 #5 · "Blue Eye" AuntiPode wrote: Because he's unlikely to have a cataract at age three, then light scattering by the tapetum layer seems more likely: http://www.scientificamerican.com/article.cfm?id=why-do-dogs-get-blue-not (Google is your friend.) Good read, I've seen green and often gold, but had not run across blue untill now. I had thought that the green was the same effect as that from an IR beam on white paper and assumed what I saw was the IR component (like what you would see with night vision). Blue I did not expect Thanks for taking the time and providing an explanation. A couple of my nureons now have a new relationship Jefferson Jan 25, 2012 at 02:49 AM

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