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Extreme Genetics This section covers the extremities of genetics and what can actually be produced

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  #1  
Old 07-06-2013, 09:27 PM
Phoenix Phoenix is offline
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Question Microopthalmia

A friend of mine has recently been given an Apso puppy that only has one eye. She took her to her vet who explained that the pup has a condition called microopthalmia. He said the second eye just failed to develop properly and the eye socket on that side is about half the size of the one with the "normal" eye.

I have never heard of this condition before, and wondered if anyone else on the Forum had, and what causes it. Is it genetic and perhaps due to both parents having the same recessive gene responsible for disorder, or is it just one of those things for which there is no known cause?
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Old 07-06-2013, 09:57 PM
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This is usually diagnosed in young puppies - Microphthalmia literally means ‘small eye’. Due to a defect early in fetal development, the eye does not grow at the same rate as the rest of the head and therefore looks smaller than it should. Eyes may look a little sunken and third eyelids can be prominent.


This is a congenital condition (present at birth), being non-development of the eye. In some breeds, it has been found to be inherited, often associated with 'merle' coat colouring.

*There are also references to pesticides and wormers causing the problem*

This condition is apparent in pups once their eyes have opened. Affected eyes are smaller than normal and appear recessed. The third eyelid may be more prominent. One or both eyes may be affected.
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Old 07-06-2013, 10:45 PM
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Bunch Thank you for that information. I will pass it on to my friend.
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Old 07-06-2013, 11:26 PM
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You are welcome
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Old 07-07-2013, 12:32 PM
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Aww never heard of this... is the puppys eye socket open? xx
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Old 07-07-2013, 09:00 PM
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Yes, but its about 50% the size of the normal socket on the other side. You can see the half-formed eye within it. Apart from this, the puppy is healthy and happy and doesn't seem affected by the condition at all, which, I suppose, is only natural as she has never known anything different. She did tend to bump into things on that side when she first moved in with my friend, but now she is used to her new home and knows where everything is, this hardly ever happens.
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Old 07-07-2013, 09:44 PM
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Here are some pics of sufferers of this ...


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Old 07-08-2013, 03:46 PM
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Thanks for the photos, Bunch.
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Old 02-27-2014, 05:10 PM
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I wonder how the apso Phoenix mentioned is doing these days - hope Phoenix see's this x
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Old 02-27-2014, 05:44 PM
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Hope the pup is doing well.... will be six months older now... xx
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