The symptoms of bacterial diseases can also resemble symptoms of other diseases, such as colitis, influenza and other viral infections. The classic symptom of a bacterial infection is fever, although not all people with a bacterial infection will have a fever.
see eye to eye - be in agreement; We never saw eye to eye on this question. agree, concur, concord, hold - be in accord; be in agreement; We agreed on the terms of the settlement; I can't agree with you!; I hold with those who say life is sacred; Both philosophers concord on this point.
Not only will you be able to hear better what is being said, but you will be able to see what is going on -- and seeing, here, means more than following what is put on the blackboard. It also means being able to follow what is being said, as much as possible, with your eyes.