Vision Chart gives to the user a very wide range of tests for vision performances. Tests are available for determination of visual acuity and contrast treshold, of the best correction, test for binocular vision and vision color tests. All available tests have been designed according to the actual international standards. Most of tests are completely interactive and this is useful to speed every test. A big number of feedbacks are available to let the user to display data and information for diagnosis without leaving the working place.