pretty nearsighted

hi, i am researching ways how to naturally improve my vision. I have looked into palming and have been doing that for about fifteen minutes a day this past week. I have not noticed any improvements and was just wondering how long I need to do this for a day in order to help my vision??? Also, does this eyebright formula really work?? I was thinking of picking some up at the health food store, but didn't want to put cayenne pepper into my eyes unless I would see an improvement. Thanks for your help.