Abstract
Contact lens has much convenience unlike glasses lens. Therefore, it has been used a lot so far after the safety of the contact lens was secured. Recently, since the quality of vision (QOV) of glasses attracted the people wearing glasses, the wave-front aberration measurement of glasses was necessary. This report describes the wave-front measurement in soft contact lenses by point diffraction interferometer (PDI). In the experiment, we measured the wave-front of soft contact lens for the 4 companies. As a result, even if it was the same lens diopter, the wave-front was different by the difference in the water content and the shape for soft contact lens of each company.
