my cats eyes are dilated

My cat Gracie had a very serious reaction to a flea dip (Pymethrin) two weeks ago. She came home drooling and had mild tremors for a few days, she was very confused/disoriented as well. She was seen and treated by our vet, and he explained to me the reasons why her neurological functions were off, she also needed fluids for 4 days. She started eating, drinking, and playing..up until yesterday. Her eyes have not returned back to normal dilation permanently and are still dilated most of the time. She is not herself, and eyesight seems off..it seems like she has to sniff around at her food for a bit before she finds it. She has been under the bed during the daylight hours..only coming out to play at night..for the past few days, and only picking at her food. Of course I will have her seen immediately by our vet..but I wanted to know if you can help me understand what may be wrong with her.  

[Savas]

You're going to have to contact the manufacturer of the product to confirm if blindness is one of the possibilities of an overdose. I know it can happen with certain types of poisons, but I couldn't find any reference in this regard with pymethrin.

Which doesn't mean it isn't possible.

Let us know how it goes, and I do hope the condition is temporary.