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RE: Luna's eye saga continues with repeated testing & delays to the MRI scan
I am a pediatric occupational therapist so I have some knowledge of neurology and physiology. My role is to assess function and help people get better, but I rely on doctors to do the testing to figure out the cause of the issue and recommend treatment.
I have not seen this issue before, so I had to look it up before I commented to confirm that pupil dilation, eye movement, and eyelid all run on the same nerve. They do, so my guess is that something is affecting that nerve. It could be as simple as inflammation causing a nerve palsy, and I'm not sure if an MRI can show that, but an MRI will look inside to see if there is anything in there causing damage (important to know!)
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I was thinking the same thing - nerves can certainly be affected by pressure of various kinds. I notice from looking at the pathway of that nerve that it runs close to the sinus. I see in this study, that it is apparently possible for sinus infections to cause palsy in that region. Worth looking into.
Thanks for this. I have just spent the last hour reading lots of useful stuff.
And as soon as Sabrina wakes up I have some eye tests to do on her.
I found that "There is some evidence of a familial tendency to the condition" and am wondering now if she doesn't have something similar, though less extreme. A confirmation of oculomotor nerve abnormalities in Sabrina would point towards this being a genetic inheritance.
Sinus inflammation is a possibility but I feel like this genetic connection is the more likely cause.
Thank you for taking the time to look this up. With the great info from yourself & @ura-soul I have been reading up on this for the last hour and feel sure what we are looking at here is partial oculomotor palsy. And (as I mentioned to @ura-soul) "There is some evidence of a familial tendency to the condition" which made me think of some minor abnormalities I have spotted with one of Sabrina's eyes.
I will be giving her a quick eye test when she wakes up. Something similar to the bird on the pen test!
I feel certain this is genetic now. Though I will know more in an hour ;)