If you are wearing the contact lens in a dream, then it could denote to the things you wish to understand and see better. Perhaps there are many unknown aspects that dont let you make the final decisions. If you have lost one of the contact lens or are unable to put them in, then such dream foretells about the necessity to become more attentive. The contact lens could also represent your waking life and the routine you have while putting them in.
Read more about dreaming of Contact Lens in other dream meanings interpretations.