i got my eye exam for glasses in Stanton Optical, and after some time i received my two glasses , i recently operated for cataract so i was in need proper glasses , one for reading and for far sight. i am not comfortable after using these still i have problem, whether examination/ testing was wrong or glasses was not properly made according to process or what ever other reason .but i am not satisfied/ comfortable even i feel exertion on my eyes , i am presently unable to use these glasses .none what i should do to solve this problem?