Why are Eye Exams Important? Catching problems in their early stages can prevent vision loss. An eye exam at our Tucson practice can do this by catching things you haven’t yet noticed. Your Comprehensive Eye Exam Learn what common tests and procedures to expect during a routine eye exam at Tucson Family Eye Care. Eye Exams for Contact Lenses A routine exam won’t provide some of the measurements and testing that are required to determine if your eyes are suitable for contact lens wear, and to generate your contact lens Rx.