Fourth nerve palsy

Getting the best value for your money when it comes to eyeglasses, sunglasses, eye exams, and contact lenses.

Postby JerryM » Tue Oct 24, 2017 4:45 pm

My wife, who is 87, has just begun to suffer from double vision known as Fourth nerve palsy, also known as trochlear nerve palsy. She will return to the in ophthalmologist in 6 weeks after some tests by a neurologist.
In researching this condition I have learned it may be permanent, but Fresnel stick-on prisms or ground-in lens prisms can be useful to compensate. We would opt for the ground-in lens prism. While cost is no object to get the best solution, we don’t spend money unnecessarily. I am wondering if the lenses are so complicated that Walmart or Sams could not do a good job? I am sure the ophthalmologist will make a recommendation, and I it probably will be a private office.
Any thoughts?
Thanks,
Jerry
JerryM
 
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Postby george » Tue Oct 24, 2017 9:50 pm

Sorry to hear about the 4th nerve palsy. Hopefully nothing major is going on to cause it. I'm sure you've read up more on it than I have, but it seems that for uncomplicated 4th nerve palsy, they often suggest the stick-on prism for the first few months to allow the changes to stabilize before making lenses with the changes ground in.

I would think that if Walmart, Sam's, or Costco will make the lenses with a prism adjustment, they will likely be accurate to the requested specifications.

I would most likely defer to the ophthalmologist's recommendations though, as they have probably seen the results from different places. Ask him/her what they think.

Good luck.
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Postby JerryM » Tue Oct 24, 2017 11:02 pm

Thanks, George.
I will probably take any recommendations by the ophthalmologist. The six weeks before the next visit will give some time for stabilization.
I appreciate the advice.
Regards, Jerry
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