what is this? eye question

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what is this? eye question

This is a discussion on what is this? eye question within the Horse Health forums, part of the Keeping and Caring for Horses category
  • Corpra nigrans
  • Corpra nigrans horse

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    08-01-2008, 02:14 PM
what is this? eye question

Today I was randomly looking into Sonny's eyes and I noticed on the left eye there is almost like a cloud-ish formation right on the borderline of the colored part and the black part ( no I don't know the "correct" terms of it lol ) . Anyways...it goes in a little bit on the black, but does not reach the middle.

He still reacts the same, doesn't seem to bother him...doesn't seem blind, but I was just curious on what it was. I can take a picture of it Sunday if I'm up at the barn if you need a picture
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    08-01-2008, 02:50 PM
My sonny has that discoloration -bluish- from an old eye infection when he was little-notice my pics of him are all from one side?
    08-01-2008, 02:59 PM
Oh and he can see it is probley cloudy but doesnt bother him in the least-does the eye look xtra fluidy or dry?
    08-01-2008, 03:47 PM
Didn't you post something about this a while back? I think you did. If it wasn't you, it was someone else with the same or close to the same question. You may want to search old stuff out on the forum.
    08-01-2008, 04:14 PM
Super Moderator
Is this new? If it is, it could be a scratch, if it's old it could be a scar... can you photograph it?
    08-01-2008, 04:28 PM
It could've been from a past infection maybe (if he had one)...hmm, or just a scratch like FP said.
I think a picture would be a good idea.
    08-01-2008, 07:03 PM
I believe you are talking about the corpra nigrans--it's an extension off of the iris that is believed to provide shade for the pupil from sunlight. Look at the other eye and see if you see the same thing in it as well. If so, it's the corpra nigrans.
    08-01-2008, 07:40 PM
Green Broke
Yeah if I could see a picture I might be able to help you more :)
    08-01-2008, 09:13 PM
I did not notice if it was in just one eye or both...sadly the lighting in the stall was horrible and by the time I got outside I kinda forgot about it.

Here is the best picture I have...though it's not that great.

Looking at other pictures it does appear that both eyes have it.

^^Left eye

^^Right eye

It's hard to see...but it's the dark section kinda in the middle of the eye (shown in blue because of the flash)
    08-01-2008, 11:37 PM
Yep, the corpra nigrans. It's a normal part of the eye.

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