What types of additional tests are needed?
Corneal topography is one example of a test done for contact lens wearers. With this computerized data we can detect any undesirable changes of the cornea caused by wearing contact lenses. A second test uses a bio-microscope to examine the fit of the contact lens and to assess the quality and quantity of your tears. Thirdly, pupil size is measured. Last, the prescription measurements are done differently than those for glasses. Click here for further clarification.