What Does Indicate Multiple Symptoms Like Fast Heart Beat, Unclear Vision And High Pitched Hearing?

Hi my name is Tina my daughter is 21, white causcan healthy but had breast implant due to deformedty,at the age of 18 is now having multiple sympthons that doctors cannot find what it is . The sympthons are with her is started about 6 month ago, it started with her heart rapidly beating fast and vision was not clear, her eye were not keeping up with her surrounding { like slow motion or being intoxedcated} and her hearing highly peaked {sounded extremely high pitched}.no fever or other system beside pale skin and very tried with no appeticate. All systems come together ,there were bad at first for the few month but is still ease up but she still has the problem.. she had a mri on the bain and nothing showed up and also had eye test and hearing test also, an they said it look good. she is on clonepzam and notion sickness pills and just got off her heart meds a week ago.[ beta blocker]. doing somewhat better but still has problems. thank you and appreciate your comments.