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Dulcy, you could have what is called Sensory Hypersensitivity, which can be associated with any of the senses. Which is quite a common problem.
Vision, hearing and touch can be effected. Their are de-sensitization techniques that can be used to try and reduce the sensitivity.
It has been suggested that sensory hypersensitivity is in fact our natural level of sensitivity. Though in our modern world with sensory overload, most people's senses have been dulled. As it's the only way to cope.
For tactile hypersensitivity, various brushing techniques are used to reduce it.
Also for auditory hypersensitivity, 'white noise' generators are often used.