Much research is being conducted on repairing faulty sensory organs through devices such as personal guidance systems and eyeglasses, among others.

Much research is being conducted on repairing faulty sensory organs through devices such as personal guidance systems and eyeglasses, among others. Do you think that researcher should attempt to improve normal sensory capabilities beyond their "natural" range (for example make human visual or audio capabilities more sensitive than normal)? What problems might this cause?